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It's been suggested that this heating upgrade
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Secrets of the Underground

It's been suggestedthat this heating upgrade is evidence that the Capitol'sprepping to...

It's been suggested
that this heating upgrade is evidence that the Capitol's
prepping to operate covertly off the national power grid

Full Transcript

00:00:01.000 --> 00:00:03.004
It's been suggested that this heating upgrade
00:00:03.048 --> 00:00:06.008
is evidence that the Capitol's prepping to operate covertly
00:00:06.088 --> 00:00:09.016
off the national power grid.
Duration
9 seconds
Views
17
Timestamp in Movie
00:12:50
Uploaded
Jul 09, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre g...
S01 • E01 Basically, the whole story starts in this room. - Secrets of the Underground 00:04
Basically, the whole story starts in this room.
S01 • E03 There's a very large resistive mass 20ft down. - Secrets of the Underground 00:05
There's a very large resistive mass 20ft down.
S01 • E01 Sealing the doors could buy Capone some time, - Secrets of the Underground 00:10
Sealing the doors could buy Capone some time,
S01 • E08 But I wouldn't get very far, - Secrets of the Underground 00:09
But I wouldn't get very far,
S01 • E07 So, are these two hot spots 15 miles apart. - Secrets of the Underground 00:04
So, are these two hot spots 15 miles apart.
S01 • E03 Yeah, and it needs to be big for the remains of 49 humans. - Secrets of the Underground 00:04
Yeah, and it needs to be big for the remains of 49 humans.
S01 • E02 But Doug says the new plant is just about saving money. - Secrets of the Underground 00:04
But Doug says the new plant is just about saving money.
S01 • E03 It's a geophysical anomaly that's perfectly consistent - Secrets of the Underground 00:05
It's a geophysical anomaly that's perfectly consis...
S01 • E01 Looking around the room, there don't appear to be any obvious exits. - Secrets of the Underground 00:05
Looking around the room, there don't appear to be any o...
S01 • E07 There is something Going on underneath here. - Secrets of the Underground 00:04
There is something Going on underneath here.
S01 • E08 Any prisoner trying to break out through here - Secrets of the Underground 00:06
Any prisoner trying to break out through here
S01 • E02 The company that installed it guaranteed energy savings - Secrets of the Underground 00:07
The company that installed it guaranteed energy savings
S01 • E03 Having explored other possibilities, - Secrets of the Underground 00:08
Having explored other possibilities,
S01 • E02 There's nothing...nothing shady or nothing strange about that. - Secrets of the Underground 00:06
There's nothing...nothing shady or nothing strange abou...
S01 • E08 So, as much as I love crawling down prison sewer pipes, - Secrets of the Underground 00:12
So, as much as I love crawling down prison sewer pipes,
S01 • E01 This panel in the wall looks like a sealed door - Secrets of the Underground 00:05
This panel in the wall looks like a sealed door
S01 • E03 There is a large resistive mass, - Secrets of the Underground 00:10
There is a large resistive mass,
S01 • E02 No-one would argue about saving money, but some say the cost-cutting - Secrets of the Underground 00:09
No-one would argue about saving money, but some say the cost...
S01 • E01 In 1981, a fire burned out the doors so they were no longer operational. - Secrets of the Underground 00:06
In 1981, a fire burned out the doors so they were no longer ...
S01 • E07 The base of the mountain Is covered in dense forest, - Secrets of the Underground 00:07
The base of the mountain Is covered in dense forest,