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[narrator] The skyscraper --
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towering over our sprawlingcities, these massive vertical
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structures are a symbolof engineering
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innovation and progress.
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But the race to build higher,faster, and more often also
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increases the chancesof disaster.
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A summer afternoon in 1995,the failure to acknowledge
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and accept essentialengineering principles leads
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to the death of 502, whensupport columns collapse in
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a South Korean departmentstore, crushing
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the shoppers and staff.
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The floors pancaked down
on top of each other.
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In April 2013, 1,134 workers atan overcrowded Bangladeshi
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garment factory losetheir lives when the unlicensed
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and unstable eight-storybuilding collapses
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under its own weight.
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The building collapses
floor by floor
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in a catastrophic domino effect.
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And in June 2017, 72 residentsdie in a 24-story-high
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London tower block.
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Reckless engineering practicesand cheap construction
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materials turned the buildingthey called home into
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a towering infernothat burned for days.
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So they're trapped in place,
and the building is
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burning down around them.
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With our population only setto rise in the future,
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what lessons have been learned
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by these catastrophicengineering failures?
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[main theme playing]
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June 14, 2017.
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London, England,in the Kensington district.
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It's 12:54 AM, when 999,the UK's emergency call number,
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receives a phone call that willplunge the UK capital
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into horror.
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[operator] Fire brigade.
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[Behailu] Yeah, hello, hi.
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Fire in flack 16,
Grenfell Tower.
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-[operator] Sorry, a fire where?
-[Behailu] Flat 16,
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Grenfell Tower, [indistinct].
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[operator] Fire brigade are
on their way.
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Are you outside?
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[Behailu]
Yeah, yeah, I'm outside.
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It's the fourth floor.
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-[operator] Right, OK.
-Quick, quick, quick, quick.
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-[operator] They're
on their way.
-It's burning.
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[phone line beeps]
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The man on the other end ofthe line is Behailu Kebede,
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a 44-year-old taxi driver.
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He is jolted awake by the alarmof his smoke detector and,
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to his horror, discoversthat his kitchen is on fire.
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The fire spreads quicklythroughout the apartment
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and then the building.
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While Behailu Kebedeand his roommates managed
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to safely escape the building,
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not all the residentsare so lucky.
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Most of the 293 occupants aretrapped inside
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the now-infamousGrenfell Tower.
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I got woken up by the sounds
of screaming of people down
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below, people screaming,
"Don't jump, don't jump,
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stay indoors."
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[fire crackling]
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[Daniel] The residents need to
evacuate, but they can't
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because their way is
obstructed by flames.
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[sirens wailing]
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[Rob] Smoke fills the hallways
and the central stairwell.
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[Daniel] The firefighters are
doing their best, trying to find
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the old, the sick, trying to
get them out of the building.
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[Rob] Despite their best
efforts, there's no way
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they're gonna evacuate
every resident safely.
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[dramatic music playing]
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[screaming]
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Despite the arrival ofmultiple firefighting
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reinforcements,it has little effect.
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Grenfell Tower isa blazing inferno,
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burning uncontrollably,
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leavingthe firefighters powerless.
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It takes almost three daysfor London's firefighters to
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finally explainextinguished the fire.
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This is a completely
unprecedented fire.
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In my 29 years of being
a firefighter, I have never,
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ever seen anything
of this scale.
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72 people lost their lives that
night, and many more
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lost their homes.
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Entire families perished,trapped in their apartments
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within this towering inferno.
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77 survivors are injured.Hundreds are traumatized.
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How did a building in one ofthe world's most developed
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cities catch fire?
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With 24 floors, 20 of which arededicated to social housing,
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Grenfell Tower contains120 apartments.
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Each floor consists of fourthree-room apartments on
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the outer sidesof the building,
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and in the middle,two two-room apartments.
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Behailu had arrived home to
flat 16 on the fourth floor
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by 11:30 PM.
He's soon fast asleep.
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It's the beginning of
a real nightmare.
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[siren drones]
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Unbeknownst to him,
a small fault behind
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his refrigerator would start
a small fire in his kitchen.
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[Dr. Shini] At 12:48,
Behailu is abruptly awoken
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by the kitchen smoke alarm.
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The kitchen is already thick
with smoke, and he can
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see the fridge-freezer ablaze.
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[dramatic music playing]
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After waking his roommatesand alerting his neighbors,
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he leaves the building to callemergency services.
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[Behailu] Yeah, hello, hi.
Fire in flat 16, Grenfell Tower.
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At 12:59 AM, the firefightersarrive on scene.
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When the fire brigade arrives
on scene, they issue an order
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to the occupants of
the building not to evacuate.
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The risk was that by
a alerting all the residents in
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a high-story building of
the presence of a fire in
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a small flat, that there'd be
mayhem as everybody tried to
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escape down the stairwells at
the same time, that there could
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be injuries and potentially
even fatalities.
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[dramatic music continues]
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When firefighters askresidents to stay inside,
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it's because they're followinga protocol based on a building
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regulation that datesback to 1962.
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This regulation states that inlarge buildings like
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Grenfell Tower, if a firebreaks out, an apartment must
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be able to contain the flamesfor 30 to 60 minutes,
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allowing firefighters timeto intervene.
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This is knownas "compartmentation."
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[Dr. Shini]
But its effectiveness
depends on the quality
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of materials, maintenance,
and the building's design.
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At 1:14 AM, firefighters reachBehailu Kebede's kitchen.
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This should've been a momentof relief, the turning point
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where they can take controlof the situation.
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But in reality,it's already too late.
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Mr. Kebede's small
refrigerator fire was not
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contained within the kitchen.
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It was not contained
within his flat.
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[rock music playing]
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When the building wasconstructed in 1974,
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engineers decided not to placeload-bearing walls between
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apartments, but instead onlyused thin partitions
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to maximize space.
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The fire had escaped
ten minutes ago through
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an exterior kitchen window.
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Windows are key elementsof compartmentation.
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The reason the fire spread soquickly was because the windows
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had been changed.
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In the early 2000s,nine million pounds sterling
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was spent on renovatingand modernizing Grenfell Tower.
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It was decided to replace
these older-style,
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less efficient windows
with uPVC framed
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double-glazed windows.
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[Rob]
PVC windows increase the energy
efficiency of the homes inside.
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However, PVC is flammable.
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When exposed to extreme heat,PVC begins to warp.
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The dimensional stability of
PVC is such that since it
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shrinks and changes size,
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it's not good
for compartmentation.
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The new windows are alsoslightly smaller
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than the originals.
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To compensate,the engineers installed
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protective PVC barriersaround the windows.
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But these barriers arealso flammable.
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When the fire in flat 16
breaches the window and reaches
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the combustible materials
between the gap, it effectively
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creates a bridge for the fire
to move outside.
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It crept out of the window
and started climbing
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up the building.
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[Rob] If you wanna compare
the Grenfell fire to a box of
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matches, the fire that broke
out behind Mr. Kebede's fridge
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is one match from that box.
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The cladding on the outside
of the building is
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the entire box of matches.
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[narrator] In the early 2000s,££9 million sterling was spent
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on renovating and modernizingGrenfell Tower.
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[dramatic music playing]
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The cladding was meant toimprove thermal insulation
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and weather resistance.
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The panels that were chosen to
be used were made of two thin
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sheets of aluminum with a core
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of a material
called "polyethylene."
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Polyethylene is a highly
flammable material.
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[fire crackling]
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[dramatic music intensifies]
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You have a great airflow in
between the cladding
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and the building to feed
a small flame
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into a huge fire very quickly.
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This is particularly bad,
because that gap is large
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enough, it creates a chimney
for the flames to jump higher.
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♪♪
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At 1:30 AM, the fire reachesthe 24th and final floor,
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spreading across the entireheight of the tower.
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By 1:47 AM, it begins tospread along the northern face.
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[Daniel] This is the tragic part
of the story where the original
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order to shelter in place
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due to the fire is
the exact wrong call,
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because now the entire
building is on fire.
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Hundreds of people were nowtrapped by the flames.
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It isn't until 2:47 AM,an hour and 39 minutes after
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the fire began,that the authorities finally
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order the evacuationof the building.
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But it's too late.
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As fire crews desperately tryto extinguish the blaze both
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inside and outsidethe building, Grenfell Tower is
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completely engulfed in flames.
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The people trapped inside are
quickly becoming overcome with
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smoke and fire.
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People can't see where
they're going.
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They don't know where
they're going.
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So they're trapped in place,
and the building is burning
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down around them.
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If they can't get out of
the building, they will perish.
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Adding even more chaosto this tragedy,
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the self-closing fire doorsfail to work,
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allowing the fire to spreadeven faster.
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Unfortunately, the apartmentsand common areas of
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Grenfell Tower are not equippedwith any automatic
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water sprinkler systems.
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[dramatic music playing]
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A monumental failure thatshocked the entire world
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and doomed many residentsof Grenfell Tower.
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In total, 250 firefightersand 70 fire engines across
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London were deployedto battle the fire.
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The next morning,at approximately 8 AM,
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the last survivor is evacuatedfrom the building,
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but the blaze has not yetdied out.
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[Rob] It took several days for
the fire to be extinguished
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00:13:03,800 --> 00:13:06,867
completely, but the legacy of
the disaster at Grenfell
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would last for years to come.
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[sad string music playing]
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The faces of the 72 victims,including 18 children,
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will forever haunt the memories
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of those who witnessedthis tragedy.
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[crowd chanting indistinctly]
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An investigation soon followed.
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[crowd continues chanting]
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Behailu Kabede was not heldresponsible for the fire
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and gave crucial testimonyabout his actions
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on that fateful night.
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After 400 days of hearings,an 1,800-page report exposes
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a terrifying accountof errors and negligence.
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[Dr. Shini] The poor management
of the building in terms of fire
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safety, the inadequate response
from the fire brigade
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00:13:56,567 --> 00:14:00,100
and primarily the inappropriate
combustible materials added
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00:14:01,166 --> 00:14:03,667
to the building during
the refurbishment all played
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00:14:04,233 --> 00:14:05,166
a part in the tragedy.
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00:14:08,100 --> 00:14:10,600
The remains of Grenfell Towerstill sits in
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the Kensington neighborhood.
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In 2022, the British governmentpasses the Building Safety Act
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to prevent further disasters.
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00:14:20,000 --> 00:14:23,467
[Rob] At Grenfell, the key
component to the disaster was
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00:14:24,767 --> 00:14:27,767
inappropriate cladding attached
to the outside of the building.
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00:14:28,900 --> 00:14:30,800
But if you're out on a shopping
trip enjoying your day,
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the last thing you imagine is
that the roof above you is
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a death trap.
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00:14:41,900 --> 00:14:46,100
June 29, 1995, in Seoul,South Korea.
253
00:14:47,333 --> 00:14:49,667
On this summer evening,the luxury stores in
254
00:14:50,834 --> 00:14:52,700
the upscale Seocho district arecrowded with customers.
255
00:14:57,900 --> 00:15:00,367
One of them is the SampoongDepartment Store.
256
00:15:03,967 --> 00:15:07,166
Spread across five floorsand four basements, it's one of
257
00:15:07,900 --> 00:15:09,100
the largest stores in the area.
258
00:15:13,400 --> 00:15:15,700
[Dr. Shini] The Sampoong
Department Store is a prime
259
00:15:16,633 --> 00:15:18,166
destination for
the city's wealthy shoppers.
260
00:15:22,066 --> 00:15:25,767
5:52 PM as customersstroll, shop...
261
00:15:27,667 --> 00:15:30,300
and eat,the unimaginable happens.
262
00:15:32,166 --> 00:15:34,767
[Dr. Shini] Shoppers and staff
on the upper levels feel
263
00:15:35,567 --> 00:15:37,066
the building buckle
beneath them,
264
00:15:37,767 --> 00:15:38,767
leaving little time to react.
265
00:15:39,333 --> 00:15:40,767
[ominous music builds]
266
00:15:41,133 --> 00:15:42,266
[rumbling]
267
00:15:43,467 --> 00:15:46,166
The floors pancaked down
on top of each other,
268
00:15:47,133 --> 00:15:48,567
bringing the shops
and the shoppers with it.
269
00:15:51,266 --> 00:15:54,300
In less than 30 seconds,
the entire south wing of
270
00:15:55,433 --> 00:15:58,100
the building collapses,
tragically trapping or killing
271
00:15:58,800 --> 00:16:00,567
those unable to escape in time.
272
00:16:02,667 --> 00:16:04,667
[overlapping screaming]
273
00:16:05,233 --> 00:16:06,867
[crashing, shattering]
274
00:16:16,667 --> 00:16:19,900
More than 1,500 people aretrapped under the rubble in
275
00:16:20,934 --> 00:16:22,166
what will become one ofthe deadliest structural
276
00:16:22,834 --> 00:16:23,767
collapses in modern history.
277
00:16:24,400 --> 00:16:25,900
[sirens distantly wailing]
278
00:16:26,600 --> 00:16:27,800
[panicked indistinct chatter]
279
00:16:33,100 --> 00:16:36,500
The disaster claims 502 lives.
280
00:16:37,400 --> 00:16:39,767
937 people remainpermanently injured.
281
00:16:43,767 --> 00:16:46,767
How could such an importantbuilding, visited by thousands
282
00:16:47,633 --> 00:16:49,100
of people everydaysuddenly collapse
283
00:16:49,667 --> 00:16:50,467
in just a few seconds?
284
00:16:51,133 --> 00:16:52,600
[people wailing and sobbing]
285
00:16:59,500 --> 00:17:02,700
[Dr. Shini] Could this horrific
incident have been avoided?
286
00:17:03,633 --> 00:17:05,600
Is there a fatal engineering
involved here?
287
00:17:10,567 --> 00:17:13,667
At the end of the 1980s,South Korea experienced
288
00:17:14,333 --> 00:17:15,467
an economic and social boom.
289
00:17:16,700 --> 00:17:19,100
Its capital, Seoul,was preparing to host
290
00:17:19,767 --> 00:17:21,767
the 1988 Summer Olympics.
291
00:17:22,834 --> 00:17:24,600
To accommodate the expectedinflux of tourists,
292
00:17:25,467 --> 00:17:27,400
major constructionprojects emerged.
293
00:17:28,667 --> 00:17:31,500
Hotels, residential buildings,and commercial spaces sprang up
294
00:17:32,100 --> 00:17:32,867
at an astonishing pace.
295
00:17:34,367 --> 00:17:38,266
However, at this time,
there is a national policy that
296
00:17:39,233 --> 00:17:40,667
construction contracts will
only be awarded
297
00:17:41,300 --> 00:17:43,266
to South Korean companies.
298
00:17:44,800 --> 00:17:46,967
[tools drilling]
299
00:17:51,967 --> 00:17:55,667
The investment opportunities in
construction are plain to see
300
00:17:56,367 --> 00:17:57,467
to South Korea's millionaires.
301
00:17:59,767 --> 00:18:02,467
Lee Joon was one ofthose involved.
302
00:18:03,567 --> 00:18:05,500
This 73-year-old businessmanleads a family-owned
303
00:18:06,467 --> 00:18:08,367
real estate investment groupcalled Sampoong.
304
00:18:08,600 --> 00:18:10,567
♪♪
305
00:18:13,600 --> 00:18:16,367
[Rob] Lee Joon commissions
engineers and architects
306
00:18:17,633 --> 00:18:21,467
to design a luxury four-story
apartment block with a basement
307
00:18:22,367 --> 00:18:24,667
that would be used
for parking vehicles.
308
00:18:25,800 --> 00:18:28,500
And the design gets underway
to construct exactly that.
309
00:18:29,633 --> 00:18:32,667
However, before spades are put
in the ground, Lee Joon
310
00:18:33,166 --> 00:18:33,900
changes his mind.
311
00:18:36,000 --> 00:18:39,266
[Dr. Shini] Lee Joon decided
he wanted a department store,
312
00:18:40,000 --> 00:18:41,767
a jewel in his property empire.
313
00:18:42,266 --> 00:18:42,967
[cash till dings]
314
00:18:46,266 --> 00:18:48,767
After construction permits hadalready been approved
315
00:18:49,767 --> 00:18:51,767
and signed, Lee Joonencountered an obstacle.
316
00:18:53,967 --> 00:18:56,266
To comply withlocal regulations,
317
00:18:57,300 --> 00:18:58,867
his department store couldnot consist solely
318
00:18:59,433 --> 00:19:00,700
of commercial spaces.
319
00:19:01,834 --> 00:19:04,166
To bypass this issue,the businessman decided to add
320
00:19:04,600 --> 00:19:05,300
a fifth floor.
321
00:19:06,667 --> 00:19:08,800
[pop music playing]
322
00:19:13,767 --> 00:19:14,900
♪ There are some... ♪
323
00:19:15,800 --> 00:19:17,100
Initially, plans called
for a lightweight
324
00:19:17,633 --> 00:19:18,667
roller skating rink.
325
00:19:22,300 --> 00:19:26,767
However, Lee Joon later opted
for a far heavier food court,
326
00:19:27,567 --> 00:19:28,567
complete with
underfloor heating.
327
00:19:31,367 --> 00:19:35,066
But these changes were never
signed off by experts
328
00:19:35,767 --> 00:19:37,367
from a structural perspective.
329
00:19:37,867 --> 00:19:38,767
[floor crackling]
330
00:19:44,467 --> 00:19:48,367
This food court weighedapproximately 1,530 kilograms
331
00:19:49,300 --> 00:19:50,567
per square meter,increasing the load on
332
00:19:51,233 --> 00:19:52,867
the structure by nearly 50%.
333
00:19:54,000 --> 00:19:55,567
This additional weight had notbeen accounted for in
334
00:19:56,100 --> 00:19:57,467
the original design.
335
00:19:58,433 --> 00:20:00,266
It's typical to have
revisions to the design
336
00:20:00,934 --> 00:20:01,900
before construction happens.
337
00:20:03,033 --> 00:20:05,467
But after construction happens,
it's very difficult for
338
00:20:06,633 --> 00:20:09,000
the builder to accommodate
these changes because material
339
00:20:10,000 --> 00:20:11,567
is purchased,
the construction is in process.
340
00:20:13,967 --> 00:20:15,700
Aware of the danger,
341
00:20:16,700 --> 00:20:17,900
the construction companyrefused to carry out
342
00:20:18,967 --> 00:20:21,200
these modifications,but Lee Joon was determined
343
00:20:22,066 --> 00:20:24,266
to build his fifth floorat any cost.
344
00:20:25,367 --> 00:20:27,166
Ignoring the advice of experts,he made a mistake
345
00:20:28,066 --> 00:20:29,300
that would haveserious consequences.
346
00:20:31,700 --> 00:20:35,467
Lee Joon replaced them with
his own in-house team from
347
00:20:36,533 --> 00:20:39,100
the Sampoong Group,
ensuring that the fifth floor
348
00:20:39,867 --> 00:20:41,467
was built
to his specifications.
349
00:20:44,567 --> 00:20:47,500
Since he owned the company,
he just circumvented
350
00:20:48,600 --> 00:20:50,900
the official channels
and forced the changes through
351
00:20:51,567 --> 00:20:53,400
without any legal oversight.
352
00:20:54,567 --> 00:20:58,200
Additionally, he pays off
officials to sign off and let
353
00:20:58,900 --> 00:20:59,900
his modifications go through.
354
00:21:02,300 --> 00:21:06,667
On July 7, 1990, Lee Joon'sluxury shopping center opened
355
00:21:07,266 --> 00:21:08,767
its doors to the public.
356
00:21:09,767 --> 00:21:11,066
The Sampoong Department Storequickly became
357
00:21:11,734 --> 00:21:12,967
a landmark in the district.
358
00:21:14,233 --> 00:21:17,000
It welcomed 40,000 visitors perday, generated four million
359
00:21:17,867 --> 00:21:20,467
U.S. dollars per weekfor its owner.
360
00:21:21,700 --> 00:21:24,066
Everything seems to be goingwell at first, but over time,
361
00:21:25,066 --> 00:21:26,767
the restaurant's ceiling showsworrying signs.
362
00:21:27,867 --> 00:21:30,700
It develops abnormal cracksfor a brand-new building
363
00:21:31,133 --> 00:21:33,266
of this size.
364
00:21:34,467 --> 00:21:38,567
By June 1995, the cracks in
the fifth floor are enormous,
365
00:21:39,567 --> 00:21:41,867
some of them measuring
10 centimeters in width.
366
00:21:43,767 --> 00:21:46,400
The cause?Three unplanned elements
367
00:21:47,266 --> 00:21:48,600
in the initialconstruction plans,
368
00:21:49,166 --> 00:21:50,700
three 15-ton machines
369
00:21:51,700 --> 00:21:52,700
that will turnthe Sampoong Department Store
370
00:21:53,300 --> 00:21:54,467
into a deadly structure.
371
00:21:57,600 --> 00:22:00,467
When Lee Joon modifiedthe building's plans,
372
00:22:01,367 --> 00:22:03,000
he had the airconditioners replaced.
373
00:22:04,200 --> 00:22:06,500
Because there was now extra
capacity with an extra floor,
374
00:22:07,667 --> 00:22:09,266
the air conditioning units
needed to be bigger than those
375
00:22:10,266 --> 00:22:11,000
that were originally designed
when it was just
376
00:22:11,567 --> 00:22:12,367
a four-story building.
377
00:22:14,000 --> 00:22:18,166
These air conditioning units,
when they create quite a noise.
378
00:22:18,867 --> 00:22:19,467
And running all day and night,
379
00:22:20,266 --> 00:22:21,867
the neighbors
eventually complain.
380
00:22:23,133 --> 00:22:25,800
And so the solution is to move
the air conditioning units away
381
00:22:27,033 --> 00:22:28,767
from the parts of the building
that create noise complaints.
382
00:22:30,100 --> 00:22:33,166
They're moved 15 metersfurther to the other side
383
00:22:33,600 --> 00:22:34,700
of the roof.
384
00:22:35,800 --> 00:22:37,567
But to achieve this result,not everything was done
385
00:22:37,967 --> 00:22:38,767
by the book.
386
00:22:39,900 --> 00:22:42,467
To do that properly would
require the use of a crane.
387
00:22:43,033 --> 00:22:44,000
This is too expensive.
388
00:22:45,100 --> 00:22:46,967
So the cheaper solution
would be would be to just take
389
00:22:48,033 --> 00:22:50,100
rollers and roll the air
conditioning units from one
390
00:22:50,800 --> 00:22:51,266
side of the roof to the other.
391
00:22:52,600 --> 00:22:54,867
[Dr. Shini] The relocation was
carried out without
any structural
392
00:22:56,066 --> 00:22:58,467
reinforcement, and the roof
had not been designed to bear
393
00:22:59,033 --> 00:22:59,800
the considerable weight.
394
00:23:00,300 --> 00:23:02,266
[floor cracks]
395
00:23:02,934 --> 00:23:05,567
It's 10 AM on June 29, 1995.
396
00:23:07,667 --> 00:23:10,467
As customers floodthe department store,
397
00:23:11,734 --> 00:23:13,567
the restaurant employees onthe fifth floor notice unusual
398
00:23:14,633 --> 00:23:16,500
noises and cracking soundscoming from the ceiling.
399
00:23:16,900 --> 00:23:19,567
[crackling]
400
00:23:20,600 --> 00:23:21,400
[Dr. Shini] Now, those on
the fifth floor watch
401
00:23:22,367 --> 00:23:24,967
as the cracks grow larger
and more numerous.
402
00:23:26,000 --> 00:23:27,867
Adding to the panic,
employees and shoppers feel
403
00:23:29,100 --> 00:23:31,667
strong vibrations emanating
from the air conditioning units
404
00:23:32,066 --> 00:23:32,767
on the roof.
405
00:23:33,333 --> 00:23:35,767
[tense music playing]
406
00:23:36,734 --> 00:23:38,800
Around 5 PM, the facilitiesmanager comes
407
00:23:39,367 --> 00:23:40,967
to inspect the cracks.
408
00:23:42,066 --> 00:23:43,467
He turns off the airconditioning units in the hope
409
00:23:44,400 --> 00:23:45,467
of stopping the vibrationsthat seem to be
410
00:23:46,033 --> 00:23:46,867
worsening the cracks.
411
00:23:48,033 --> 00:23:51,000
An evacuation order is issued,
but it's already too late.
412
00:23:52,266 --> 00:23:54,667
Fearing for their lives,the building's directors
413
00:23:55,867 --> 00:23:57,767
and board members who haveoffices inside the building
414
00:23:58,233 --> 00:23:58,900
flee the scene.
415
00:24:00,667 --> 00:24:04,400
They leave approximately 1,500customers and employees of
416
00:24:05,066 --> 00:24:06,467
Sampoong to a tragic fate.
417
00:24:07,400 --> 00:24:08,800
There's a breaking point
with this structure,
418
00:24:09,800 --> 00:24:11,467
and that breaking point is
about to be reached.
419
00:24:16,266 --> 00:24:19,500
June 29, 1995, 5:52 PM.
420
00:24:20,633 --> 00:24:23,266
The restaurant floor isthe last barrier protecting
421
00:24:24,300 --> 00:24:25,867
the hundreds of Sampoongcustomers who are calmly
422
00:24:26,567 --> 00:24:27,300
shopping on the lower floors,
423
00:24:28,467 --> 00:24:30,700
unaware of what hasjust happened.
424
00:24:31,600 --> 00:24:32,867
The massive units,
along with the cracked
425
00:24:33,700 --> 00:24:35,767
and fragile roof,
plunge downwards.
426
00:24:37,767 --> 00:24:40,800
[Rob] That's only the start
of a domino effect.
427
00:24:42,033 --> 00:24:45,767
The increase in size of the
air conditioning units the roof
428
00:24:46,734 --> 00:24:49,100
isn't the only modification
that's at fault
429
00:24:49,600 --> 00:24:50,467
for this disaster.
430
00:24:54,767 --> 00:24:57,967
By altering the originaldesign, Lee Joon didn't just
431
00:24:59,033 --> 00:25:02,467
add a fifth floor.He also had columns modified.
432
00:25:03,533 --> 00:25:05,266
In the original plans,each column should've been
433
00:25:05,934 --> 00:25:07,400
80 centimeters in diameter.
434
00:25:08,567 --> 00:25:10,667
But to create more spaceand install his grand central
435
00:25:11,667 --> 00:25:13,567
escalator, Lee Joon had eightcolumns reduced
436
00:25:14,166 --> 00:25:15,567
by 20 centimeters each.
437
00:25:16,967 --> 00:25:20,467
Lee Joon reduced the dimensions
of the vertical supporting
438
00:25:21,433 --> 00:25:24,100
columns there to hold up
each floor above it.
439
00:25:25,333 --> 00:25:27,467
But also, he moved the position
of those columns, meaning that
440
00:25:28,400 --> 00:25:30,800
certain areas were totally
under supported.
441
00:25:31,867 --> 00:25:33,166
And when you mess with
the columns, you're messing
442
00:25:34,300 --> 00:25:35,500
with the structural integrity
of the entire structure.
443
00:25:37,100 --> 00:25:39,200
Especially sincethese columns are crucial
444
00:25:40,033 --> 00:25:41,300
for this specificbuilding design.
445
00:25:42,266 --> 00:25:44,667
The method is calledflat slab construction.
446
00:25:45,800 --> 00:25:46,667
[Daniel] The flat slab
construction is nice because it
447
00:25:47,734 --> 00:25:49,567
opens up the floors,
it creates a lot of open area,
448
00:25:50,500 --> 00:25:52,567
but the problem is
the support columns are
449
00:25:53,367 --> 00:25:55,066
the critical
mechanical components.
450
00:25:56,600 --> 00:25:59,367
The support columns in
flat slab construction are so
451
00:26:00,467 --> 00:26:02,100
critical because all of
the weight of the floors
452
00:26:03,133 --> 00:26:04,367
and everything that's on
the floor is reacted down
453
00:26:05,200 --> 00:26:06,100
through the columns
into the ground.
454
00:26:06,667 --> 00:26:08,200
[dramatic music playing]
455
00:26:11,667 --> 00:26:15,767
By ignoring sound engineering
principles and pushing ahead
456
00:26:16,934 --> 00:26:19,867
with unsafe modifications,
he left his building teetering
457
00:26:20,533 --> 00:26:21,567
on the edge of catastrophe.
458
00:26:23,367 --> 00:26:25,567
It's still 5:52 PM.
459
00:26:29,100 --> 00:26:32,600
The columns cannot withstandthe weight of the fifth floor.
460
00:26:33,800 --> 00:26:35,667
The three air conditionerscontinue their fatal plunge
461
00:26:36,500 --> 00:26:37,500
toward the hundredsof people below.
462
00:26:40,500 --> 00:26:43,600
The force of the collapse of
those air conditioning units
463
00:26:44,800 --> 00:26:47,667
with part of the floor above
down onto the fourth floor is
464
00:26:48,500 --> 00:26:50,300
too much for
the supporting columns.
465
00:26:51,500 --> 00:26:54,567
That floor collapses down onto
the third, onto the second.
466
00:26:55,734 --> 00:26:58,000
Overburdened support columns
on the lower floors begin to
467
00:26:59,266 --> 00:27:03,066
fail one by one, causing each
floor to pancake into the next.
468
00:27:12,200 --> 00:27:14,567
[sirens wailing]
469
00:27:15,000 --> 00:27:16,567
[crowd chatter]
470
00:27:19,000 --> 00:27:22,200
Of the entire SampoongDepartment Store, only two
471
00:27:23,333 --> 00:27:25,667
outer walls remain standing,towering over a massive
472
00:27:26,133 --> 00:27:27,166
pile of debris.
473
00:27:28,900 --> 00:27:30,166
[indistinct chanting]
474
00:27:31,433 --> 00:27:33,367
Lee Joon is sentenced to tenand a half years in prison for
475
00:27:34,333 --> 00:27:36,300
criminal negligence,while his son receives
476
00:27:37,300 --> 00:27:38,567
seven years formanslaughter and corruption.
477
00:27:39,333 --> 00:27:40,166
[indistinct protesting
continues]
478
00:27:43,567 --> 00:27:46,867
The South Korean governmentorders inspections on all
479
00:27:47,934 --> 00:27:49,567
buildings constructed duringthe economic boom.
480
00:27:50,633 --> 00:27:54,000
[Dr. Shini] Hundreds of
buildings are deemed unsafe.
481
00:27:55,066 --> 00:27:57,467
Of those inspected, one in
seven require intensive
482
00:27:58,533 --> 00:28:00,767
rebuilding, and only one in
fifty is found to meet
483
00:28:01,433 --> 00:28:02,900
acceptable safety standards.
484
00:28:07,000 --> 00:28:08,967
[Daniel] Building regulations
are there for a reason.
485
00:28:10,000 --> 00:28:12,100
Like, the permitting process is
an important step
486
00:28:12,667 --> 00:28:13,567
in reviewing designs.
487
00:28:14,000 --> 00:28:15,667
[people wailing]
488
00:28:16,767 --> 00:28:18,467
The collapse of the SampoongDepartment Store became
489
00:28:19,467 --> 00:28:21,367
a tragic symbol of the excessesof the era.
490
00:28:22,600 --> 00:28:26,000
An era where the pursuit ofprofit led to the creation of
491
00:28:26,533 --> 00:28:27,166
a deadly structure.
492
00:28:32,100 --> 00:28:36,166
[Rob] Although with some
skyscrapers, it's not the roof
493
00:28:36,900 --> 00:28:38,100
that's the risk,
it's the walls.
494
00:28:39,100 --> 00:28:42,500
In Bangladesh in 2013,
inappropriate structural
495
00:28:43,567 --> 00:28:45,467
decisions would be the cause
of fatal engineering.
496
00:28:55,467 --> 00:28:58,567
We are in Savar,a suburb of Dhaka,
497
00:28:59,200 --> 00:29:00,400
the capital of Bangladesh.
498
00:29:02,367 --> 00:29:05,266
This is the beating heart ofthe country, thanks to
499
00:29:05,867 --> 00:29:07,467
the textile industry,
500
00:29:08,500 --> 00:29:09,567
which accounts for threequarters of the national
501
00:29:10,767 --> 00:29:13,200
economy and employs nearlyfour million of its citizens,
502
00:29:14,066 --> 00:29:15,967
80% of whom are womenand young girls.
503
00:29:17,567 --> 00:29:20,367
♪♪
504
00:29:21,600 --> 00:29:23,467
A portion of these low-costgarments are manufactured in
505
00:29:24,100 --> 00:29:25,567
this eight-story building,
506
00:29:26,033 --> 00:29:26,867
the Rana Plaza.
507
00:29:29,667 --> 00:29:33,767
Standing 25 meters talland 75 meters long, it is one
508
00:29:34,867 --> 00:29:36,300
of the main production sitesfor famous European
509
00:29:36,967 --> 00:29:38,266
and American fashion brands.
510
00:29:39,533 --> 00:29:42,467
The first floors are populated
by office workers,
511
00:29:43,600 --> 00:29:45,667
but in the higher floors,
it's factory workers who are
512
00:29:46,800 --> 00:29:49,166
dependent on their day-to-day
pay to live their lives.
513
00:29:51,367 --> 00:29:55,700
On April 24, 2013,nothing seemed to mark
514
00:29:56,367 --> 00:29:57,667
Rana Plaza for notoriety.
515
00:29:58,567 --> 00:30:00,567
Yet it would go downin history as one
516
00:30:01,467 --> 00:30:02,767
of the country'sdeadliest catastrophes.
517
00:30:07,100 --> 00:30:11,166
At 8:54 AM,the building collapses on top
518
00:30:11,834 --> 00:30:13,667
of the 3,000 workers inside.
519
00:30:14,834 --> 00:30:19,100
There's almost a slow-motion
domino rally as floor after
520
00:30:20,367 --> 00:30:24,166
floor after floor collapse down
onto each other, taking with it
521
00:30:25,300 --> 00:30:28,400
all of the heavy machinery
and all of the 3,000 workers
522
00:30:29,100 --> 00:30:31,767
who now become trapped inside.
523
00:30:32,200 --> 00:30:33,867
[sirens wailing]
524
00:30:35,200 --> 00:30:37,300
[dramatic music playing]
525
00:30:41,867 --> 00:30:45,100
Many are saved, but the sheer
scale of the destruction
526
00:30:46,200 --> 00:30:48,300
quickly overwhelms rescue
efforts, leaving countless
527
00:30:48,967 --> 00:30:50,600
victims unreachable in time.
528
00:30:56,266 --> 00:30:57,367
Bangladesh.
529
00:30:58,467 --> 00:31:02,400
April 24, 2013, would go downin history as one of
530
00:31:03,266 --> 00:31:04,467
the country'sdeadliest catastrophes.
531
00:31:04,900 --> 00:31:06,367
[siren wailing]
532
00:31:07,300 --> 00:31:10,800
At 8:54 AM, the Rana Plazacollapses on top
533
00:31:11,467 --> 00:31:13,767
of the 3,000 workers inside.
534
00:31:14,567 --> 00:31:17,000
The disaster claims1,134 lives.
535
00:31:17,567 --> 00:31:18,600
[cries, crowd chatter]
536
00:31:20,100 --> 00:31:22,767
What happened to cause thisbuilding to suddenly collapse?
537
00:31:23,333 --> 00:31:24,900
[tragic music playing]
538
00:31:28,467 --> 00:31:32,266
Was it doomed from the startdue to fatal engineering?
539
00:31:33,367 --> 00:31:34,900
We must look at the originsof its construction
540
00:31:35,467 --> 00:31:36,467
and the man behind it.
541
00:31:40,266 --> 00:31:42,367
♪♪
542
00:31:43,033 --> 00:31:45,000
[chatter and traffic noises]
543
00:31:46,133 --> 00:31:49,667
In 2006, permission was granted
to businessman and local
544
00:31:50,767 --> 00:31:53,700
politician, Sohel Rana,
to construct a four-story-high
545
00:31:54,700 --> 00:31:56,266
building for light commercial
use, things like
546
00:31:56,767 --> 00:31:58,600
offices and banks.
547
00:31:59,834 --> 00:32:00,800
[Dr. Shini]
Although the architect's
designs are signed off
548
00:32:01,834 --> 00:32:03,467
and a structural engineer
is initially involved,
549
00:32:04,633 --> 00:32:06,467
the choice of locations sets
the project up for failure.
550
00:32:09,266 --> 00:32:13,467
Sohel Rana chose cheap land,not necessarily suitable for
551
00:32:14,066 --> 00:32:15,266
a building -- wetlands.
552
00:32:19,066 --> 00:32:22,266
[Daniel] The foundation for any
structure is very important,
553
00:32:23,200 --> 00:32:24,266
because it's literally
the ground in which
554
00:32:24,834 --> 00:32:26,166
you build anything on.
555
00:32:27,400 --> 00:32:31,200
If you have a shaky foundation,
the building itself will have
556
00:32:31,900 --> 00:32:33,166
not a good ground to stand on.
557
00:32:34,166 --> 00:32:36,900
Building on wetlands presentsmany challenges.
558
00:32:39,367 --> 00:32:42,100
The taller the building,the deeper the foundations must
559
00:32:42,934 --> 00:32:44,467
be to reach solid,stable ground.
560
00:32:46,100 --> 00:32:48,200
To build a good building,
it's important to have a good
561
00:32:49,000 --> 00:32:50,300
foundation, but it's
also important
562
00:32:50,867 --> 00:32:52,066
to use good materials.
563
00:32:52,934 --> 00:32:53,967
In this case, Rana Plaza
was constructed
564
00:32:54,667 --> 00:32:56,000
of reinforced cement concrete.
565
00:33:01,800 --> 00:33:04,667
While reinforced concrete
has advantages,
566
00:33:05,900 --> 00:33:08,600
improper implementation can
have catastrophic consequences.
567
00:33:09,867 --> 00:33:12,500
If the steel reinforcement
is poor quality,
568
00:33:13,133 --> 00:33:14,300
insufficient or misplaced,
569
00:33:15,200 --> 00:33:16,767
the structure becomes
dangerously weak.
570
00:33:19,166 --> 00:33:21,266
[walls crackling]
571
00:33:24,100 --> 00:33:28,500
When Rana Plaza is completedin 2006, certain businesses
572
00:33:29,066 --> 00:33:30,367
move in as planned.
573
00:33:31,400 --> 00:33:33,667
It houses a bank,offices, and several stores.
574
00:33:37,266 --> 00:33:41,000
Emboldened by the success ofhis building, Sohel Rana starts
575
00:33:41,667 --> 00:33:43,100
eyeing new opportunities.
576
00:33:44,100 --> 00:33:45,367
With demand fora commercial space soaring,
577
00:33:45,867 --> 00:33:47,166
he wastes no time.
578
00:33:48,133 --> 00:33:49,667
The very next year,he decides to expand.
579
00:33:50,333 --> 00:33:51,467
[chatter and traffic noise]
580
00:33:52,867 --> 00:33:56,467
He sought permission from
the authorities and the correct
581
00:33:57,567 --> 00:33:59,867
structural and engineering
advice so that it would be
582
00:34:00,567 --> 00:34:01,367
built in the correct way.
583
00:34:02,700 --> 00:34:03,900
[Dr. Shini]
With little resistance,
he quickly secures approval
584
00:34:05,033 --> 00:34:08,000
for a fifth floor, which is
completed in record time.
585
00:34:09,066 --> 00:34:10,767
A fifth floor is built withreinforced concrete.
586
00:34:12,200 --> 00:34:14,600
[Daniel] The problem with adding
additional floors to
587
00:34:15,600 --> 00:34:17,867
an existing structure is
the original design of
588
00:34:19,000 --> 00:34:21,100
those four floors, it's being
asked to do more than it
589
00:34:22,266 --> 00:34:24,300
actually should be doing.
This is a recipe for disaster.
590
00:34:27,667 --> 00:34:29,200
But Rana isn't satisfied.
591
00:34:34,800 --> 00:34:37,767
By the early 2000s,Bangladesh is becoming
592
00:34:38,767 --> 00:34:40,567
the epicenter of globalgarment production,
593
00:34:41,266 --> 00:34:43,000
a powerhouse for fast fashion.
594
00:34:44,500 --> 00:34:48,667
With low labor costs, just over100 U.S. dollars a month,
595
00:34:49,867 --> 00:34:51,667
major fashion brands flockto the country to churn out
596
00:34:52,300 --> 00:34:53,166
clothing at record speed.
597
00:34:54,400 --> 00:34:57,166
For local entrepreneurs,this booming demand
598
00:34:57,633 --> 00:34:58,367
spells profit.
599
00:34:59,467 --> 00:35:01,767
And of course,Sohel Rana wants in.
600
00:35:03,300 --> 00:35:06,667
He moves into the fashionindustry, a decision that will
601
00:35:07,433 --> 00:35:09,266
seal the fate ofthe Rana Plaza.
602
00:35:10,500 --> 00:35:12,767
To accommodate these lucrative
industrial tenants, Rana adds
603
00:35:13,266 --> 00:35:13,867
three more floors.
604
00:35:15,667 --> 00:35:18,300
This time,
he skips the formalities.
605
00:35:18,934 --> 00:35:19,500
No permissions are sought,
606
00:35:20,300 --> 00:35:23,667
and no qualified
engineers consulted.
607
00:35:24,767 --> 00:35:26,867
Each unauthorized floor
increases the vertical load on
608
00:35:28,100 --> 00:35:30,467
the building, far exceeding
what the original structure was
609
00:35:31,000 --> 00:35:31,767
designed to support.
610
00:35:34,266 --> 00:35:36,867
The building's columns,originally designed
611
00:35:38,133 --> 00:35:40,200
for just four floors, are nowbearing the crushing weight
612
00:35:40,667 --> 00:35:43,166
of eight floors.
613
00:35:44,433 --> 00:35:46,500
Without proper reinforcements,the load distribution becomes
614
00:35:47,300 --> 00:35:49,100
dangerously uneven,some columns
615
00:35:49,767 --> 00:35:50,567
straining more than others.
616
00:35:54,667 --> 00:35:58,266
[Daniel]
Not only is the additional
floors in Rana Plaza a problem
617
00:35:59,300 --> 00:36:01,066
for the building,
but also the machinery that's
618
00:36:02,266 --> 00:36:05,100
added to the upper floors to
create the clothing, a lot of
619
00:36:06,233 --> 00:36:08,700
heavy machinery that had a lot
of rotating components.
620
00:36:09,800 --> 00:36:11,467
[Dr. Shini] After seven years of
operation, on Tuesday,
621
00:36:12,500 --> 00:36:16,367
April 24, 2013, the day
before the fatal collapse,
622
00:36:17,400 --> 00:36:19,467
managers and employees
arrived for work as usual.
623
00:36:20,900 --> 00:36:24,000
But the routine is disrupted
when numerous large cracks are
624
00:36:25,166 --> 00:36:26,900
discovered in the walls
and floors of the lower levels,
625
00:36:27,734 --> 00:36:29,100
which house a bank
and retail stores.
626
00:36:29,600 --> 00:36:31,200
[faint crackling]
627
00:36:33,100 --> 00:36:35,767
Alarmed by the news,Sohel Rana consults
628
00:36:37,000 --> 00:36:39,667
Abdur Razzak Khan, a localcivil engineer who had already
629
00:36:40,633 --> 00:36:42,100
helped him constructthe last three floors.
630
00:36:43,900 --> 00:36:48,100
After a quick inspection,the situation is obvious.
631
00:36:49,333 --> 00:36:51,600
He makes it very clear that
the building is unsafe and that
632
00:36:52,433 --> 00:36:53,967
it needs to be
evacuated immediately.
633
00:36:59,000 --> 00:37:01,900
What does Sohel Rana do?
Doesn't do that.
634
00:37:03,133 --> 00:37:05,500
Goes on TV and tells everyone
"It's OK, there's no problems,
635
00:37:06,533 --> 00:37:08,500
these cracks are normal,
this is a safe building."
636
00:37:09,500 --> 00:37:11,467
This is entirely negligent
and, as we will see,
637
00:37:12,300 --> 00:37:13,266
contributes to
the overall disaster.
638
00:37:16,867 --> 00:37:18,100
[Dr. Shini] Rana Plaza.
639
00:37:19,300 --> 00:37:23,367
After seven years of operation,
on Tuesday, April 24, 2013,
640
00:37:24,433 --> 00:37:26,300
numerous large cracks are
discovered in the walls
641
00:37:27,333 --> 00:37:29,000
and floors of the lower levels,
which house a bank
642
00:37:29,500 --> 00:37:30,100
and retail stores.
643
00:37:35,467 --> 00:37:38,900
As a precaution, employeesof the bank and stores on
644
00:37:40,033 --> 00:37:41,767
the lower floors are askedto stay home the next day.
645
00:37:43,700 --> 00:37:46,700
But the workers on the upperfloors, the beating heart of
646
00:37:47,300 --> 00:37:47,967
the garment industry,
647
00:37:48,767 --> 00:37:50,266
receive a verydifferent message.
648
00:37:51,667 --> 00:37:53,667
They are ordered to cometo work.
649
00:37:56,767 --> 00:37:59,367
Some workers express
their fears and reluctance
650
00:38:00,333 --> 00:38:01,567
to enter of the building,
but for many,
651
00:38:02,133 --> 00:38:03,500
there is no real choice.
652
00:38:04,500 --> 00:38:06,467
The work is hard
and poorly paid, but they depend
653
00:38:06,967 --> 00:38:08,066
on it to survive.
654
00:38:08,633 --> 00:38:10,500
[dramatic music playing]
655
00:38:13,600 --> 00:38:17,867
On April 24, 2013,the day of the collapse,
656
00:38:18,834 --> 00:38:21,266
3,000 workers nervouslyshow up for work.
657
00:38:22,400 --> 00:38:23,667
8:45 AM...
658
00:38:26,867 --> 00:38:29,300
a power outageparalyzes the building,
659
00:38:30,400 --> 00:38:32,266
shifting the deafeningclatter of sewing machines
660
00:38:32,834 --> 00:38:33,900
into an eerie silence.
661
00:38:37,367 --> 00:38:40,166
This is a fairly regular
occurrence in Bangladesh.
662
00:38:40,934 --> 00:38:41,800
It's nothing out
of the ordinary.
663
00:38:42,934 --> 00:38:45,867
And almost instantaneously,
the generators on the roof
664
00:38:46,934 --> 00:38:48,900
fire up to make sure that
the workers can continue
665
00:38:49,467 --> 00:38:50,200
churning out garments.
666
00:38:51,800 --> 00:38:55,166
But these generators do morethan just restore electricity
667
00:38:56,166 --> 00:38:58,600
to the factory.They also create vibrations.
668
00:38:59,166 --> 00:39:00,767
[dramatic music builds]
669
00:39:03,100 --> 00:39:05,000
This furtherweakens the building's
670
00:39:05,734 --> 00:39:06,867
reinforced concrete structure.
671
00:39:10,900 --> 00:39:14,400
As the generators start up,
there's a shudder through
672
00:39:15,467 --> 00:39:17,567
the building that many
of the workers are used to.
673
00:39:18,734 --> 00:39:21,567
But on this particular day,
those vibrations, that loud
674
00:39:22,567 --> 00:39:24,467
shudder doesn't stop
after a number of seconds.
675
00:39:26,266 --> 00:39:28,400
The workers sense disaster.
676
00:39:30,667 --> 00:39:32,467
8.54 AM,
677
00:39:33,633 --> 00:39:36,100
as the wall continue to tremblewith a deafening roar,
678
00:39:36,700 --> 00:39:37,567
the inevitable happens.
679
00:39:39,000 --> 00:39:41,100
The generators break throughthe roof and begin
680
00:39:42,100 --> 00:39:43,367
a catastrophic descent,plunging the workers
681
00:39:44,000 --> 00:39:45,166
of Rana Plaza into chaos.
682
00:39:46,300 --> 00:39:49,467
The support columns give way
and the building collapses
683
00:39:50,500 --> 00:39:53,200
floor-by-floor in
a catastrophic domino effect.
684
00:39:53,967 --> 00:39:56,166
-[rumbling]
-[people screaming]
685
00:40:05,567 --> 00:40:09,300
In less than two minutes,Rana Plaza is reduced to a pile
686
00:40:09,867 --> 00:40:10,867
of concrete and steel.
687
00:40:11,567 --> 00:40:13,600
[people yelling indistinctly]
688
00:40:14,033 --> 00:40:15,767
[siren wailing]
689
00:40:20,867 --> 00:40:23,367
An unspeakable tragedy,one that could've been
690
00:40:24,500 --> 00:40:26,100
avoided at every stageof this building's existence.
691
00:40:27,333 --> 00:40:33,000
Of the 3,000 workers presentthat day, 1,134 do not survive.
692
00:40:33,567 --> 00:40:34,166
Hundreds are injured.
693
00:40:35,367 --> 00:40:37,500
[people yelling and protesting]
694
00:40:42,700 --> 00:40:46,100
Sohel Rana is sentenced toa mere three years in prison
695
00:40:46,567 --> 00:40:47,867
for corruption.
696
00:40:49,066 --> 00:40:52,200
As of 2024, he is still incustody, awaiting the outcome
697
00:40:53,033 --> 00:40:54,100
of his long-delayedmurder trial.
698
00:40:55,667 --> 00:40:58,567
The catastrophe raisedawareness among the media
699
00:40:59,834 --> 00:41:02,166
and Western consumers regardingthe inhumane conditions for
700
00:41:02,834 --> 00:41:03,900
Bangladeshi textile workers.
701
00:41:04,533 --> 00:41:05,800
[indistinct protestations]
702
00:41:07,266 --> 00:41:09,700
Under pressure from humanrights activists,
703
00:41:10,934 --> 00:41:13,300
new regulations are imposed onmajor international brands
704
00:41:14,433 --> 00:41:17,567
to ensure fairer wagesand safer working environments.
705
00:41:18,133 --> 00:41:19,667
[dramatic music playing]
706
00:41:26,767 --> 00:41:31,800
And these examples of fatal
engineering goes to show that
707
00:41:33,033 --> 00:41:35,967
it's crucial that the lessons
learned from previous mistakes
708
00:41:37,000 --> 00:41:38,767
are not repeated, so that
the buildings we visit
709
00:41:39,200 --> 00:41:40,200
are always safe.
710
00:41:43,100 --> 00:41:47,066
Whether through corruption,incompetence, or coercion,
711
00:41:48,367 --> 00:41:50,500
poor decisions and unscrupulousindividuals sealed the fate of
712
00:41:51,467 --> 00:41:53,500
innocent lives who paidthe ultimate price
713
00:41:54,200 --> 00:41:55,400
because of fatal engineering.
62210
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