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CHARLIE: Hey guys, Charlie
here! You know my sister Kirby.
KIRBY: Hey guys!
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00:00:04,571 --> 00:00:07,271
CHARLIE: Today we're hanging
out underground in Virginia.
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00:00:07,340 --> 00:00:09,710
KIRBY: So grab a helmet and
strap on a headlamp.
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00:00:09,776 --> 00:00:12,106
CHARLIE: Because it's
time for Weird but True!
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00:00:15,415 --> 00:00:18,445
(theme music plays)
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00:00:32,532 --> 00:00:34,072
CHARLIE: Hey guys!
KIRBY: Welcome to HQ.
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00:00:34,134 --> 00:00:35,474
CHARLIE: We're so
glad you're here.
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00:00:35,535 --> 00:00:39,165
Alright, a few minutes
ago Kirby and I were
having a diorama duel.
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00:00:39,239 --> 00:00:43,379
KIRBY: Wait, you guys don't
know what a diorama duel is?
This might catch you up a bit.
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00:00:45,111 --> 00:00:49,251
CASEY: Are you ready to rumble?
It's time for a diorama duel!
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00:00:50,550 --> 00:00:53,450
CHARLIE (off-screen):
Two players face off in
a head to head craft duel
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00:00:53,520 --> 00:00:54,750
to make the best diorama.
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00:00:54,821 --> 00:00:58,991
The winner
receives fame, fortune,
and basically eternal glory.
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00:00:59,059 --> 00:01:01,829
The loser loses everything.
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00:01:01,895 --> 00:01:05,725
The duel, their crafting
reputation, and their dignity.
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00:01:05,799 --> 00:01:07,569
Stakes are high!
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00:01:07,634 --> 00:01:08,944
KIRBY: We don't mess
around here people!
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00:01:09,002 --> 00:01:11,472
CHARLIE: But during
today's diorama duel,
something weird happened.
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00:01:11,538 --> 00:01:15,578
We had just finished up
our pieces when it came
time to face judge Casey.
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00:01:15,642 --> 00:01:18,312
CASEY: Alright
guys let's see them.
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00:01:21,581 --> 00:01:25,051
Whoa, you guys literally
made the exact same thing.
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00:01:25,118 --> 00:01:26,488
KIRBY: What?
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00:01:26,553 --> 00:01:28,563
CHARLIE (off-screen):
Like exactly the same thing.
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00:01:28,621 --> 00:01:29,761
KIRBY (off-screen):
To the very tree.
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00:01:29,823 --> 00:01:31,693
CHARLIE: So it was a tie.
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KIRBY: But you can't
have a diorama duel
and not have a winner.
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CHARLIE: It was time
for a tiebreaker.
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We diorama-ed
the sky, the grass,
and everything in between.
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But there was one
place we hadn't touched.
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00:01:44,737 --> 00:01:47,267
CHARLIE: We're taking this
diorama duel underground!
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KIRBY: And when you're
doing an underground
diorama there's only
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one way to bring
home the top prize.
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00:01:52,045 --> 00:01:54,205
CHARLIE: You gotta diorama
the heck out of a cave!
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00:01:54,280 --> 00:01:55,350
KIRBY: Oh yeah!
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00:01:55,415 --> 00:01:56,745
CHARLIE: So that's
what we're doing today!
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00:01:56,816 --> 00:01:58,446
Unraveling the world of...
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00:02:01,454 --> 00:02:02,964
KIRBY (off-screen): Caves!
CHARLIE (off-screen): Caves!
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00:02:03,656 --> 00:02:06,086
CASEY: Alright crafters,
you have 30 minutes
to make your dioramas.
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00:02:06,159 --> 00:02:08,759
Starting in
three, two, one, duel!
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00:02:08,828 --> 00:02:11,098
CHARLIE: Okay uh
caves, caves uh.
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00:02:11,164 --> 00:02:12,474
KIRBY: What do we got here?
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00:02:12,532 --> 00:02:14,402
CHARLIE: You know what
I just realized Kirb?
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00:02:14,467 --> 00:02:16,567
KIRBY: What's up?
CHARLIE: I know absolutely
nothing about caves.
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00:02:16,636 --> 00:02:18,866
KIRBY: Me neither.
CHARLIE: Head over to
HQ for some research?
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00:02:18,938 --> 00:02:21,108
KIRBY: You bet.
CHARLIE: Great, let's go.
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00:02:21,174 --> 00:02:23,084
Alright, caves, caves.
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00:02:23,143 --> 00:02:24,213
Oh look at this!
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00:02:24,277 --> 00:02:26,577
There are actually a bunch
of different kinds of caves.
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00:02:26,646 --> 00:02:28,106
KIRBY: Who knew?
CHARLIE: Let's check it out.
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00:02:28,181 --> 00:02:32,651
The main difference
between all these
caves is how they form.
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00:02:33,953 --> 00:02:38,493
Lava caves form when the
outer surface of lava cools,
but the inside keeps flowing.
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00:02:38,558 --> 00:02:42,158
Then the lava inside
dries up later and boom!
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00:02:42,228 --> 00:02:43,958
You're left with a cave.
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00:02:45,431 --> 00:02:49,541
Wind caves form in the
desert when wind erodes the
sides of sandstone cliffs.
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00:02:49,602 --> 00:02:54,512
Sea caves are made the
same way except it's the
constant barrage of waves
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00:02:54,574 --> 00:02:56,044
that form the cave.
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00:02:57,210 --> 00:03:01,550
Same with the glacier caves,
except it's the glacier melt
that erodes away the ice.
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00:03:02,982 --> 00:03:07,852
Tectonic caves form from the
movement of tectonic plates.
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00:03:09,088 --> 00:03:13,458
And finally limestone solution
caves form when acidic
groundwater dissolves marble
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00:03:13,526 --> 00:03:16,796
and limestone over millions
and millions of years.
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So we got a lot of options
for diorama styles here.
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KIRBY: But like where
do we even start?
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CHARLIE: Oh my gosh, David!
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KIRBY: David!
David's Charlie's
friend from Virginia.
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00:03:26,472 --> 00:03:27,972
He's an actual cave expert.
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00:03:28,041 --> 00:03:29,341
CHARLIE: I'm calling
him right now.
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00:03:29,409 --> 00:03:31,179
(phone ringing)
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CHARLIE: David!
DAVID: Charlie!
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CHARLIE: How's Virginia?
DAVID: Virginia's great!
CHARLIE: Can we come caving?
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DAVID: Yeah absolutely
I can take you caving!
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CHARLIE: Awesome!
We'll see you in five!
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This is perfect!
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KIRBY: Alright
Charles, question.
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00:03:41,888 --> 00:03:43,488
What are we supposed
to pack for this thing?
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00:03:43,556 --> 00:03:44,956
CHARLIE: Uh I have no idea.
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00:03:45,024 --> 00:03:47,294
This might be a good time
for some caving bro-tips.
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00:03:47,360 --> 00:03:50,230
A little caving 101 from our
friends Brett and Sebastian.
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00:03:51,864 --> 00:03:54,834
Sup dudes? Brett here
alongside my bro Sebastian.
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KIRBY: Salutations.
CHARLIE: So you wanna go caving?
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00:03:57,537 --> 00:03:58,767
KIRBY: Excellent activity.
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00:03:58,838 --> 00:04:02,138
CHARLIE: Here are
some caving bro tips to
help you cave safely.
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00:04:02,208 --> 00:04:07,708
Always cave with another bro,
cave in groups of bros, and
let somebody outside the cave
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00:04:07,780 --> 00:04:10,380
know about your bro
pack's caving plans.
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00:04:10,450 --> 00:04:14,590
That way if you get lost you
got somebody to help you out
and you got some buddies to
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00:04:14,654 --> 00:04:16,864
back up your
sweet cave stories.
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00:04:16,923 --> 00:04:19,633
KIRBY: Bro, we saw a bat
like the size of a house!
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00:04:19,692 --> 00:04:22,132
CHARLIE: Bro's not lying!
CASEY: Whoa!
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00:04:22,195 --> 00:04:25,565
KIRBY: Always carry three
light sources with you.
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I like to carry four,
a flashlight, two head lamps,
and my glowing personality.
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00:04:31,771 --> 00:04:34,311
CHARLIE: Other equipment
you need on your bro person:
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A helmet, to protect
your bro head.
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00:04:35,708 --> 00:04:38,078
Knee pads, to protect
your little bro knees.
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00:04:38,144 --> 00:04:41,714
And coveralls, 'cause caving
is a cold and muddy business.
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00:04:45,285 --> 00:04:46,745
CHARLIE: Perfect.
KIRBY: So we know what we need.
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00:04:46,819 --> 00:04:47,949
CHARLIE: Guys, this is great!
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While caving with David
I'm gonna find exactly
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00:04:49,889 --> 00:04:52,389
what my diorama needs
to win this thing.
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00:04:52,458 --> 00:04:54,458
KIRBY: Whoa, you mean
I'll find out exactly what
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00:04:54,527 --> 00:04:57,157
my diorama needs
to win this thing.
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00:04:57,230 --> 00:04:58,730
CHARLIE: Whatever you
wanna tell yourself, Kirb.
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00:04:58,798 --> 00:05:00,268
KIRBY: Let's pack up
and then we'll head out.
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00:05:00,333 --> 00:05:01,773
CHARLIE: Sounds good.
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00:05:01,834 --> 00:05:03,244
KIRBY (off-screen):
Weird but True.
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00:05:11,477 --> 00:05:13,677
CHARLIE (off-screen):
We're heading off to
Virginia to study some caves!
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00:05:13,746 --> 00:05:15,346
Old dominion!
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Eight presidents
were born in Virginia.
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00:05:17,183 --> 00:05:20,193
More importantly it's
home to thousands of caves!
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00:05:20,253 --> 00:05:23,863
Guys, check it out
that guy down there,
that's our buddy David.
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00:05:23,923 --> 00:05:25,863
KIRBY: David's
been caving for years.
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CHARLIE: We don't know
anyone who knows more
about caves than he does.
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KIRBY: Let's go say hi.
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00:05:29,929 --> 00:05:33,769
David is a marine scientist
and a caving guide who
loves exploring underground.
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00:05:33,833 --> 00:05:37,573
He's gonna take
us to some sweet caves
with really cool features.
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His favorite
Weird but True fact is.
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It's home to 20 million bats.
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00:05:48,348 --> 00:05:49,518
CHARLIE: Hey David!
How's it going man?
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00:05:49,582 --> 00:05:51,822
DAVID: Hey Charlie.
KIRBY: Hey David.
DAVID: Hey Kirby.
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00:05:51,884 --> 00:05:53,724
CHARLIE: Aw man we're
so excited for our
caving adventure today.
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00:05:53,786 --> 00:05:55,516
DAVID (off-screen):
Yeah you guys have
come to the right place.
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00:05:55,588 --> 00:05:58,828
CHARLIE: This is the
cave we're going into today?
What kind of cave is this?
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DAVID: This is a
limestone solution cave.
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00:06:01,461 --> 00:06:04,901
CHARLIE: Oh okay. Limestone
solution cave guys, that means
this ancient limestone had
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00:06:04,964 --> 00:06:09,904
cracks in it, acidic water got
into those cracks, dissolving
the rock, forming the cave,
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00:06:09,969 --> 00:06:12,109
and all the rock
formations inside.
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Should be pretty awesome.
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00:06:13,539 --> 00:06:15,539
So this is gonna be
pretty cool right?
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00:06:15,608 --> 00:06:17,178
DAVID: Yeah this is my
favorite kind of cave.
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00:06:17,243 --> 00:06:19,113
CHARLIE: Sounds great,
so uh we're heading on in.
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00:06:19,178 --> 00:06:22,418
DAVID: Oh hold on! First
we gotta get you suited up.
KIRBY: Alrighty let's do it.
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00:06:27,553 --> 00:06:32,063
CHARLIE: Check it out.
One of the coolest things
about caves, like this one,
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00:06:32,125 --> 00:06:37,125
is that it took millions
and millions and millions
of years for them to form!
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KIRBY: It's not like an animal
just dug a hole or anything.
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It took a lot of time!
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00:06:41,567 --> 00:06:43,437
CHARLIE: A lot of time!
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00:06:45,071 --> 00:06:47,441
There's a limestone solution
cave in Wisconsin that's been
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00:06:47,507 --> 00:06:50,077
dated to
400 million years old.
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00:06:50,143 --> 00:06:54,783
During this cave's lifetime,
dinosaurs started existing
then became extinct,
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00:06:54,847 --> 00:07:00,787
Pangea formed and
broke up, humans evolved,
the Internet was invented,
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00:07:00,853 --> 00:07:05,223
and bangs went out
of style, came back in style,
then when out of style again.
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00:07:05,291 --> 00:07:07,291
These caves have seen a lot.
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00:07:07,360 --> 00:07:09,360
You ready to go Kirb?
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00:07:09,429 --> 00:07:11,659
KIRBY: I'm so ready!
CHARLIE: Alright
helmets buckled.
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00:07:11,731 --> 00:07:14,731
KIRBY: Headlamps on.
CHARLIE: Let's go check it out!
KIRBY: Let's go!
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00:07:16,803 --> 00:07:18,173
CHARLIE (off-screen):
David leads the way.
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00:07:18,237 --> 00:07:21,407
He says that not
far down we'll find some
amazing rock formations,
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00:07:21,474 --> 00:07:23,684
but it's no easy trek.
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00:07:23,743 --> 00:07:26,053
So he has a few safety
tips for climbing.
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00:07:26,112 --> 00:07:27,812
DAVID: Be careful
guys it's slippery.
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00:07:27,880 --> 00:07:29,920
Remember three
points of contact.
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00:07:29,982 --> 00:07:31,822
That can include
your knee or your butt.
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00:07:31,884 --> 00:07:36,764
Your butt is a very
good point of contact and your
knees are better than your feet.
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00:07:38,191 --> 00:07:42,331
Unlike rock climbing where
you use your feet a lot, in
caving you use your knees a lot.
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00:07:44,397 --> 00:07:45,827
CHARLIE (off-screen):
This cave is incredible.
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00:07:45,898 --> 00:07:48,328
There are passageways
of all different sizes.
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00:07:50,269 --> 00:07:52,409
DAVID: Gonna be nice and
careful on this down climb.
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00:07:52,472 --> 00:07:56,842
KIRBY: It's crazy, one minute
you're squeezing in these tiny
spaces and then it opens up
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00:07:56,909 --> 00:07:59,509
into these giant rooms.
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00:08:05,017 --> 00:08:06,217
Weird but True.
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00:08:10,289 --> 00:08:12,589
CHARLIE: Two things we
didn't know about caves
before we got down here,
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00:08:12,658 --> 00:08:15,598
number one it's
pretty cold all year long.
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00:08:15,661 --> 00:08:17,861
It stays around 50 degrees.
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00:08:17,930 --> 00:08:22,370
The second one, it's
really wet, but that water
is what's forming the cave.
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00:08:28,674 --> 00:08:32,314
Alright guys we've been
hiking in the cave for a
while and check out this
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00:08:32,378 --> 00:08:33,948
room that we just uncovered.
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00:08:34,013 --> 00:08:37,523
This place is full of
different geological features.
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00:08:39,352 --> 00:08:41,952
KIRBY: So let me give
you the basics of
all these formations.
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00:08:42,021 --> 00:08:45,691
Stalagmites, like these
guys, start from the
ground and grow upwards.
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00:08:45,758 --> 00:08:50,028
And stalactites start
way up in the ceiling
and they grow downwards.
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00:08:50,096 --> 00:08:54,026
When they meet in the
middle it's called a column,
like that guy back there.
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00:08:56,035 --> 00:08:57,365
What?
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00:08:57,436 --> 00:09:01,306
CHARLIE (off-screen): Ooooh.
KIRBY: Aw, this is amazing!
172
00:09:01,374 --> 00:09:02,884
CHARLIE (off-screen): Wow!
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00:09:02,942 --> 00:09:06,112
There are new rock
formations around every
twist and turn of this cave.
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00:09:06,178 --> 00:09:08,078
This place is huge!
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00:09:08,147 --> 00:09:10,277
And they all share
something in common.
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00:09:12,418 --> 00:09:15,718
All of these awesome
cave features are
called speleothems.
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00:09:15,788 --> 00:09:18,218
Cool science
word to pull out if you're
trying to impress someone.
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00:09:18,291 --> 00:09:20,331
KIRBY: Bro,
love your ponytail.
179
00:09:20,393 --> 00:09:22,333
CHARLIE: It reminds
me of a speleothem.
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00:09:22,395 --> 00:09:24,155
CASEY: Cool word.
I'm impressed.
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00:09:25,798 --> 00:09:29,138
CHARLIE (off-screen):
Stalagmites and stalactites
are just the beginning.
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00:09:29,201 --> 00:09:32,841
We're heading
deeper into the cave to
discover more after the break.
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00:09:32,905 --> 00:09:35,135
KIRBY (off-screen):
Weird but True.
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00:09:45,551 --> 00:09:47,021
CHARLIE (off-screen):
Welcome back.
185
00:09:47,086 --> 00:09:51,786
Today is all about caves and
we're in a limestone solution
cave exploring speleothems,
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00:09:51,857 --> 00:09:55,657
which is a general
term that refers to
all the cave features.
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00:09:59,231 --> 00:10:01,531
The coolest thing about
speleothems is how they form.
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00:10:01,601 --> 00:10:04,241
So you guys remember how
solution caves form right?
189
00:10:04,303 --> 00:10:07,973
Acidic groundwater
water dissolves the
rocks, forming a cave.
190
00:10:09,241 --> 00:10:13,311
Well, imagine a droplet
of this acidic water hanging
from the ceiling of the cave.
191
00:10:13,379 --> 00:10:18,019
Every time it drips
it deposits a thin film of
this stuff called calcite.
192
00:10:18,084 --> 00:10:22,894
Now imagine it
dropping from that same
spot every single minute
193
00:10:22,955 --> 00:10:26,285
of every single hour
of every single day.
194
00:10:26,359 --> 00:10:31,929
Eventually it forms this
nice little tube, which
we call soda straws!
195
00:10:31,998 --> 00:10:35,868
And they're basically
baby stalactites.
196
00:10:37,470 --> 00:10:40,470
As more and more
calcite is deposited they
grow into stalactites
197
00:10:40,539 --> 00:10:43,509
and this process takes so long.
198
00:10:45,511 --> 00:10:50,081
Weird but True,
stalactites can grow
one inch every 100 years!
199
00:10:50,149 --> 00:10:53,619
So this one is probably
a few thousand years old.
200
00:10:56,522 --> 00:10:58,292
KIRBY: Stalagmites
form in the same way.
201
00:10:58,357 --> 00:11:02,697
Except they form when
water drops to the ground
depositing calcite.
202
00:11:02,762 --> 00:11:07,232
So drop after drop after
drop this thing builds up,
203
00:11:07,299 --> 00:11:10,199
eventually forming a stalagmite.
204
00:11:10,269 --> 00:11:12,169
And these things
can get pretty huge.
205
00:11:13,539 --> 00:11:16,109
One of the largest
stalagmites is the
world was found in Cuba.
206
00:11:16,175 --> 00:11:18,605
At about 220 feet tall.
207
00:11:18,678 --> 00:11:22,308
To show scale this is how big
I'd look standing next to it.
208
00:11:24,083 --> 00:11:26,193
This stalagmite is a monster!
209
00:11:32,692 --> 00:11:35,332
CHARLIE (off-screen):
This might be the weirdest
thing that we found so far.
210
00:11:35,394 --> 00:11:37,534
This stuff is
called flowstone.
211
00:11:39,031 --> 00:11:40,601
So you know how stalactites
and stalagmites are formed
212
00:11:40,666 --> 00:11:43,496
from water dripping
down from the ceiling?
213
00:11:43,569 --> 00:11:47,409
Flowstone is formed
from water that flows over
different rock formations,
214
00:11:47,473 --> 00:11:51,713
forming what almost looks
like a frozen rock waterfall.
215
00:11:52,945 --> 00:11:53,975
So weird!
216
00:11:54,046 --> 00:11:55,916
But this is just the
beginning of all the
217
00:11:55,981 --> 00:11:58,781
amazing rock formations
you can find in caves.
218
00:12:00,553 --> 00:12:02,393
KIRBY: Yeah cavers weren't
exactly the most creative
219
00:12:02,455 --> 00:12:04,055
when it came to
naming these things.
220
00:12:04,123 --> 00:12:05,363
CHARLIE: Not so much.
221
00:12:05,424 --> 00:12:06,994
It probably went
something like this.
222
00:12:07,059 --> 00:12:09,429
KIRBY: Yo bro,
look at this thing.
223
00:12:09,495 --> 00:12:10,995
CHARLIE: Looks like
a piece of coral.
224
00:12:11,063 --> 00:12:12,133
KIRBY: What should we call it?
225
00:12:12,198 --> 00:12:13,898
CHARLIE: What
about cave coral?
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00:12:13,966 --> 00:12:16,796
KIRBY: Brooo! And how about
this popcorn looking stuff?
227
00:12:16,869 --> 00:12:19,239
CHARLIE: What
about cave popcorn?
228
00:12:19,305 --> 00:12:22,235
KIRBY: Brooo! And how about
these rims made of stone?
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00:12:22,308 --> 00:12:23,908
CHARLIE: Uhhh
CHARLIE: Rimstone?
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00:12:23,976 --> 00:12:25,476
KIRBY: Brooo!
CHARLIE: Brooo!
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00:12:28,848 --> 00:12:30,678
CHARLIE (off-screen): Yeah most
of these names are very simple.
232
00:12:30,750 --> 00:12:32,050
Give it to me one more time.
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00:12:32,118 --> 00:12:34,748
KIRBY: So stalactites hold
tight to the ceiling and
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00:12:34,820 --> 00:12:37,390
stalagmites might
touch the ceiling.
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00:12:37,456 --> 00:12:40,326
CHARLIE: And all would be
pretty dynamic features
to add to a diorama.
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00:12:41,894 --> 00:12:44,634
As we continue
exploring David reminds
us that we're not alone.
237
00:12:45,131 --> 00:12:46,401
David: Hey guys.
Charlie: Yeah?
238
00:12:46,465 --> 00:12:48,695
David: Keep your voices
low in this area, too.
239
00:12:48,768 --> 00:12:51,268
David: This is still part
of the bat hibernaculum.
240
00:12:53,239 --> 00:12:54,669
KIRBY (off-screen): When
you think of cave animals,
241
00:12:54,740 --> 00:12:56,280
bats are probably
the first ones you think of,
242
00:12:56,342 --> 00:12:57,712
but they're just the beginning.
243
00:12:57,777 --> 00:13:00,277
CHARLIE (off-screen):
Bats are trogloxenes.
244
00:13:00,346 --> 00:13:04,246
Trogloxenes are animals
that just use caves for
things like shelter.
245
00:13:05,518 --> 00:13:07,588
Other animals
are troglophiles.
246
00:13:07,653 --> 00:13:10,593
These are animals
that can live in caves
for their whole lives,
247
00:13:10,656 --> 00:13:13,656
but they can also
live in other places too.
248
00:13:15,161 --> 00:13:17,301
The final group of cave
animals is the troglobite.
249
00:13:17,363 --> 00:13:19,803
These animals can
only live inside caves.
250
00:13:19,865 --> 00:13:21,465
They can't survive
outside of 'em.
251
00:13:21,534 --> 00:13:24,904
And these animals have some
pretty crazy adaptations.
252
00:13:27,306 --> 00:13:28,836
KIRBY (off-screen):
Like the Mexican tetra.
253
00:13:28,908 --> 00:13:32,308
There are other types of
tetra that live outside caves
in rivers and streams and they
254
00:13:32,378 --> 00:13:34,248
just look like normal fish.
255
00:13:34,313 --> 00:13:38,883
But the Mexican tetra lives
inside the cave and they don't
look like normal fish at all.
256
00:13:38,951 --> 00:13:43,321
They're albino and
have no eyes! No eyes!
257
00:13:43,389 --> 00:13:46,389
CHARLIE: But if you wanna
see something really weird,
you gotta check out an olm,
258
00:13:46,458 --> 00:13:51,228
it's an aquatic salamander
that some people thought was
the offspring of a dragon.
259
00:13:51,297 --> 00:13:55,397
But I'd kind of describe
it as a pale, blind, oversized
worm with tiny little doll arms
260
00:13:55,467 --> 00:13:57,167
and red fluffy gills.
261
00:13:57,236 --> 00:13:58,996
KIRBY: Super weird looking.
262
00:13:59,071 --> 00:14:03,481
And since caves can be so
isolated from one another it's
not uncommon for scientists to
263
00:14:03,542 --> 00:14:06,412
find new species
inside of them.
264
00:14:08,447 --> 00:14:11,147
For example, the Movile Cave
in South Eastern Romania.
265
00:14:11,217 --> 00:14:16,387
In 1986 workers uncovered
a cave that had been isolated
from the rest of the world for
266
00:14:16,455 --> 00:14:19,115
5.5 million years.
267
00:14:19,191 --> 00:14:22,391
And researchers found
animals living in there.
268
00:14:22,461 --> 00:14:28,471
All kinds of pseudo scorpions,
leeches, and roly-poly bugs.
269
00:14:31,337 --> 00:14:32,297
The kicker?
270
00:14:32,371 --> 00:14:34,671
33 of the animals
they found in the cave,
271
00:14:34,740 --> 00:14:36,880
weren't found anywhere
else in the entire world.
272
00:14:38,611 --> 00:14:41,481
Sealed up like a present
for 5.5 million years.
273
00:14:44,884 --> 00:14:46,924
CHARLIE (off-screen):
We haven't found 33 types of
animals in this cave with David,
274
00:14:46,986 --> 00:14:49,186
but check it out!
275
00:14:49,255 --> 00:14:50,685
We found a bat.
276
00:14:50,756 --> 00:14:55,826
So that tiny little animal
clinging to the wall up there,
that's a little brown bat.
277
00:14:55,895 --> 00:14:59,025
He's super cute,
but I don't want to disturb him.
278
00:14:59,098 --> 00:15:03,098
Human activity has had
a devastating impact
on cave dwelling bats.
279
00:15:03,168 --> 00:15:06,668
Many colonies have already
been lost and more than half
280
00:15:06,739 --> 00:15:09,479
are now endangered
or very close.
281
00:15:09,541 --> 00:15:12,751
Understanding how fragile they
are might make a difference.
282
00:15:12,811 --> 00:15:17,621
An important issue to cavers
and bat populations that live
in caves that you gotta know
283
00:15:17,683 --> 00:15:20,493
about is the
white nose syndrome.
284
00:15:25,658 --> 00:15:29,458
Here's the scoop, one of the
indicators that a bat has this
disease is if it has a tiny
285
00:15:29,528 --> 00:15:34,228
little bit of fluff
on his nose, which would
be super adorable right?
286
00:15:34,300 --> 00:15:36,470
If it weren't so deadly!
287
00:15:36,535 --> 00:15:39,965
White nose syndrome
was first spotted in
New York around 2006.
288
00:15:40,039 --> 00:15:44,979
By 2012 about 80%
of the bat population
in the northeast US
289
00:15:45,044 --> 00:15:46,284
had died from the disease.
290
00:15:46,345 --> 00:15:48,975
But there are
ways you can help!
291
00:15:49,048 --> 00:15:51,778
After you go caving, wash
the heck out of your clothes.
292
00:15:51,850 --> 00:15:54,590
That way you don't accidentally
transfer the disease.
293
00:15:56,555 --> 00:16:01,525
Alright guys,
time for a break, but next up
David's got a super deep cave
294
00:16:01,593 --> 00:16:03,003
for us to go and explore.
295
00:16:03,062 --> 00:16:06,172
And there's only one way to
get down there, rappelling.
296
00:16:06,231 --> 00:16:07,971
KIRBY (off-screen):
Wicked cool!
297
00:16:08,033 --> 00:16:10,343
Weird but True.
298
00:16:19,078 --> 00:16:21,778
CHARLIE (off-screen):
Welcome back, David says
it's time for the ultimate
299
00:16:21,847 --> 00:16:23,117
spelunking adventure.
300
00:16:23,182 --> 00:16:26,152
Some caves you swim into,
some caves you walk into,
301
00:16:26,218 --> 00:16:29,358
this cave behind us,
we're actually gonna drop into.
302
00:16:31,123 --> 00:16:32,763
We're going rappelling!
303
00:16:32,825 --> 00:16:36,755
KIRBY: Rappelling is basically
this practice that cavers use
to get into inaccessible caves
304
00:16:36,829 --> 00:16:38,859
in a super safe way.
305
00:16:40,466 --> 00:16:43,536
CHARLIE: Take, for example,
expeditions in Krubera cave,
306
00:16:43,602 --> 00:16:46,542
the deepest cave
in the entire world!
307
00:16:46,605 --> 00:16:50,305
Located in the
country of Georgia in
the eastern hemisphere.
308
00:16:50,376 --> 00:16:54,446
In 2012 a team of over 50 cavers
309
00:16:54,513 --> 00:16:57,183
set out on an expedition
into Krubera cave
310
00:16:57,249 --> 00:16:59,549
trying to get as
deep as possible.
311
00:16:59,618 --> 00:17:01,788
They rappelled
down deep shafts.
312
00:17:01,854 --> 00:17:03,424
Squeezing through tunnels.
313
00:17:03,489 --> 00:17:06,189
They even used scuba equipment
to find hidden passageways
314
00:17:06,258 --> 00:17:08,588
in parts of the cave
flooded with water.
315
00:17:08,660 --> 00:17:12,530
Just like an Everest
expedition they set up
a base camp along the way.
316
00:17:12,598 --> 00:17:17,638
They spent over three weeks
underground, and by the
end, had set a new record.
317
00:17:17,703 --> 00:17:21,873
They made it
7,208 feet below the surface.
318
00:17:21,940 --> 00:17:24,740
KIRBY: We aren't going
that deep, we're only
going about 100 feet down,
319
00:17:24,810 --> 00:17:27,710
but it's still gonna
be an unreal experience.
320
00:17:30,282 --> 00:17:32,722
CHARLIE (off-screen):
David drops in first and
shows us how it's done.
321
00:17:32,785 --> 00:17:36,555
On belay,
orange rope and white rope!
322
00:17:38,590 --> 00:17:40,230
Aw man!
323
00:17:40,292 --> 00:17:42,062
KIRBY: Doin' it, doin' it.
324
00:17:44,263 --> 00:17:47,803
CHARLIE: Weird but True,
George Washington was an
avid caver.
325
00:17:53,072 --> 00:17:55,672
CHARLIE: Wooh!
KIRBY: Wow!
326
00:17:55,741 --> 00:17:58,081
CHARLIE: This is sick!
327
00:17:58,143 --> 00:18:00,583
KIRBY (off-screen): This
looks prehistorically amazing.
328
00:18:00,646 --> 00:18:02,306
CHARLIE (off-screen):
Look at how big this is.
329
00:18:02,381 --> 00:18:03,751
KIRBY (off-screen):
This is huge.
330
00:18:03,816 --> 00:18:07,746
CHARLIE: You can
hear the dripping water
echoing through the cave.
331
00:18:07,820 --> 00:18:10,160
KIRBY (off-screen):
There's no way we could
see this from up above.
332
00:18:10,222 --> 00:18:11,562
CHARLIE (off-screen):
Not a chance.
333
00:18:16,829 --> 00:18:18,829
David: Get over here,
out of the rock fall area.
334
00:18:18,897 --> 00:18:19,827
David: Then yell "off rope."
335
00:18:20,833 --> 00:18:21,903
CHARLIE (off-screen): Off rope!
336
00:18:22,601 --> 00:18:23,841
Safety Guide: Thank you!
337
00:18:25,070 --> 00:18:26,610
CHARLIE: It's so freezing.
KIRBY: Yeah.
338
00:18:30,142 --> 00:18:33,452
David: You guys can see a big
old stalagmite right there...
339
00:18:33,512 --> 00:18:35,282
...and then the
flowstones below it.
340
00:18:35,747 --> 00:18:38,977
CHARLIE (off-screen):
We rappelled down to this
incredibly hard to reach cave
341
00:18:39,051 --> 00:18:41,351
and I can't
believe what we found.
342
00:18:42,855 --> 00:18:46,725
Caves are delicate
natural environments that take
millions and millions of years
343
00:18:46,792 --> 00:18:48,292
to develop and change.
344
00:18:48,360 --> 00:18:53,300
So professional cavers
say, "Take only pictures
and leave only footprints."
345
00:18:53,365 --> 00:18:56,135
So this back here
definitely not cool.
346
00:18:57,769 --> 00:19:01,209
After a quick exploration
it's time to climb
back up to the surface.
347
00:19:01,273 --> 00:19:03,443
KIRBY: This is gonna
be a fun climb too.
348
00:19:11,884 --> 00:19:13,994
CHARLIE: Aw guys
that was incredible!
349
00:19:14,052 --> 00:19:15,492
KIRBY: So cool!
350
00:19:15,554 --> 00:19:19,124
CHARLIE: There was this huge
beam shooting through the
darkness and we could see
351
00:19:19,191 --> 00:19:20,791
different geological features.
352
00:19:20,859 --> 00:19:23,399
KIRBY: Rappelling totally
brought it to the next level.
353
00:19:23,462 --> 00:19:25,202
CHARLIE: I could definitely
see why people get into this.
354
00:19:27,166 --> 00:19:31,136
Before we head out let's go
over all the weird features we
discovered today that we can
355
00:19:31,203 --> 00:19:34,313
use for our diorama
duel tie breaker.
356
00:19:34,373 --> 00:19:35,613
We got stalactites.
357
00:19:35,674 --> 00:19:37,344
KIRBY: Check.
CHARLIE: Stalagmites.
KIRBY: Check.
358
00:19:37,409 --> 00:19:38,609
CHARLIE: Flowstone.
KIRBY: Check.
359
00:19:38,677 --> 00:19:39,677
CHARLIE: Animals.
KIRBY: Check.
360
00:19:39,745 --> 00:19:40,505
CHARLIE (off-screen):
Rappelling.
361
00:19:40,579 --> 00:19:41,549
KIRBY (off-screen):
Check, check, check.
362
00:19:41,613 --> 00:19:43,453
CHARLIE: I think that's a
caving adventure completed!
363
00:19:43,515 --> 00:19:46,815
Alright guys we're gonna
head over to HQ, but
we'll see you in a bit.
364
00:19:46,885 --> 00:19:48,915
Oh man I could
use a shower. Woo!
365
00:19:50,189 --> 00:19:51,419
CASEY: Guys!
CHARLIE: What's up Case?
366
00:19:51,490 --> 00:19:52,590
CASEY: You have
two minutes left!
367
00:19:52,658 --> 00:19:54,328
CHARLIE: Oh my gosh!
KIRBY: We gotta get crafting!
368
00:19:54,393 --> 00:19:57,103
CHARLIE: Alright guys we gotta
buckle down here, but stick
around for my trophy ceremony.
369
00:19:57,162 --> 00:19:58,862
KIRBY: In your dreams Charles.
370
00:20:00,165 --> 00:20:01,165
CHARLIE: Weird but True.
371
00:20:07,606 --> 00:20:09,136
CASEY: Ten seconds!
CHARLIE: Ahh! No time to talk!
372
00:20:09,208 --> 00:20:10,908
KIRBY: We gotta
finish the dioramas!
373
00:20:10,976 --> 00:20:14,646
CASEY: Drop your art supplies
in three, two, one, drop 'em!
374
00:20:14,713 --> 00:20:15,653
CHARLIE: Done!
KIRBY: Done!
375
00:20:15,714 --> 00:20:16,984
CASEY: Time for
the presentations!
376
00:20:17,049 --> 00:20:22,649
KIRBY: I present
to you, my diorama titled
"Speleothems and Trogloxenes".
377
00:20:22,721 --> 00:20:27,591
You got your
stalactites, stalagmites,
flowstone, cave popcorn,
378
00:20:27,659 --> 00:20:30,799
and check it out there's
a cute little bat flying
around in there too.
379
00:20:30,862 --> 00:20:32,732
CASEY: Nice Kirb. I like
the little bat guy. Charles?
380
00:20:32,798 --> 00:20:37,168
CHARLIE: I present to you
my caving creation, "Caving
right with troglobites!"
381
00:20:37,236 --> 00:20:41,206
You got some little caving
dudes, some guys rappelling
into a little pool full of
382
00:20:41,273 --> 00:20:43,413
olms, and even
a Mexican tetra!
383
00:20:43,475 --> 00:20:45,205
CASEY: Very interesting.
384
00:20:45,277 --> 00:20:46,507
CHARLIE: Alright
Case, who won?
385
00:20:46,578 --> 00:20:48,008
KIRBY: Yeah where's
my trophy huh?
386
00:20:48,080 --> 00:20:51,180
CASEY: I see two
great dioramas here.
Put 'em together.
387
00:20:51,250 --> 00:20:54,550
KIRBY: What?
CASEY: Hey no questions, I'm
the judge. Put 'em together.
388
00:20:56,154 --> 00:20:58,664
Separately these dioramas
are great, but together.
389
00:20:58,724 --> 00:21:00,194
KIRBY: Whoa!
390
00:21:00,259 --> 00:21:02,759
CASEY (off-screen):
They create the greatest
cave diorama known to man!
391
00:21:02,828 --> 00:21:04,458
KIRBY: That's amazing!
392
00:21:04,529 --> 00:21:06,669
CASEY: I hate to
break it to you guys,
but it's another tie.
393
00:21:06,732 --> 00:21:08,732
CHARLIE: I don't even
care, because this
cave diorama's sweet!
394
00:21:08,800 --> 00:21:11,200
KIRBY: Yeah me neither,
and we got to go
to a real cave today.
395
00:21:11,270 --> 00:21:12,700
CHARLIE (off-screen):
What else did we learn today?
396
00:21:12,771 --> 00:21:14,571
There were so many
Weird but True things!
397
00:21:17,676 --> 00:21:20,746
Spelunking is another
name for cave exploring.
398
00:21:20,812 --> 00:21:24,652
KIRBY (off-screen):
There's a stalagmite in Cuba
that's about 220 feet tall.
399
00:21:24,716 --> 00:21:27,916
CHARLIE (off-screen):
Isolated caves can be
home to weird species
400
00:21:27,986 --> 00:21:30,916
not found anywhere
else in the world.
401
00:21:32,057 --> 00:21:33,257
KIRBY: What's up Charles?
402
00:21:33,325 --> 00:21:34,425
CHARLIE: I'm just
thinking here Kirb.
403
00:21:34,493 --> 00:21:36,233
KIRBY: About what?
CHARLIE: Seems like
we got it all, right?
404
00:21:36,295 --> 00:21:39,225
I mean, we did the sky,
above ground, below ground.
405
00:21:39,298 --> 00:21:41,728
KIRBY: There's gotta
be somewhere we haven't
gone yet though.
406
00:21:41,800 --> 00:21:43,140
BOTH: Space!
407
00:21:43,201 --> 00:21:44,901
CHARLIE: I've never
been to space before.
408
00:21:44,970 --> 00:21:46,070
KIRBY: No way me neither!
409
00:21:46,138 --> 00:21:48,408
CHARLIE: But there's
nothing we can't do
with some tape and glue!
410
00:21:48,473 --> 00:21:50,213
KIRBY: Let's get crafting!
I'll get the supplies!
411
00:21:50,275 --> 00:21:52,835
CHARLIE: Perfect! Alright
guys, looks like we got
a new project on our hands,
412
00:21:52,911 --> 00:21:54,611
but thanks so much
for stopping by!
413
00:21:54,680 --> 00:21:57,050
Come by again when we discover
more things that are weird.
414
00:21:57,115 --> 00:21:58,045
KIRBY: But true!
CHARLIE: We'll see you soon!
415
00:21:58,116 --> 00:21:59,246
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