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So, carbon dioxide, Right at the moment
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Secrets of the Underground

So, carbon dioxide,Right at the moment, I'm very far from this

So, carbon dioxide,
Right at the moment, I'm very far from this

Full Transcript

00:00:01.000 --> 00:00:02.869
So, carbon dioxide, Right at the moment,
00:00:02.087 --> 00:00:05.057
I'm very far from this.
Duration
6 seconds
Views
16
Timestamp in Movie
00:12:07
Uploaded
Jul 13, 2025
Season
1
Episode
7
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 • E03 But then it's very simple because what we can do is run the algorithm. - Secrets of the Underground 00:05
But then it's very simple because what we can do is run...
S01 • E02 For those who believe there's something top-secret - Secrets of the Underground 00:07
For those who believe there's something top-secret
S01 • E01 Now, if he was here, in this room, then how would he do that? - Secrets of the Underground 00:05
Now, if he was here, in this room, then how would he do that...
S01 • E03 The data collected from the currents - Secrets of the Underground 00:06
The data collected from the currents
S01 • E07 So, I'm gonna wave it Around here, - Secrets of the Underground 00:05
So, I'm gonna wave it Around here,
S01 • E08 Immediately, I begin wondering whether this tunnel - Secrets of the Underground 00:07
Immediately, I begin wondering whether this tunnel
S01 • E02 A continuity of government site needs its own source of power - Secrets of the Underground 00:09
A continuity of government site needs its own source of powe...
S01 • E01 At the time, the hotel was owned by Abraham Liebling from Chicago, - Secrets of the Underground 00:07
At the time, the hotel was owned by Abraham Liebling from Ch...
S01 • E07 The more c.O.2 Coming from the ground, - Secrets of the Underground 00:06
The more c.O.2 Coming from the ground,
S01 • E03 This colour scale is showing us resistivity, red being resistive. - Secrets of the Underground 00:05
This colour scale is showing us resistivity, red being resis...
S01 • E08 But there doesn't seem to be any obvious link. - Secrets of the Underground 00:04
But there doesn't seem to be any obvious link.
S01 • E01 They'd make sure the hotel was secure for them when they were here. - Secrets of the Underground 00:06
They'd make sure the hotel was secure for them when the...
S01 • E03 This corner is over here... - Secrets of the Underground 00:05
This corner is over here...
S01 • E02 After the 9/11 attack, Vice President Dick Cheney - Secrets of the Underground 00:08
After the 9/11 attack, Vice President Dick Cheney
S01 • E08 (WATER CRASHING IN DISTANCE) - Secrets of the Underground 00:05
(WATER CRASHING IN DISTANCE)
S01 • E01 If the police came in downstairs, - Secrets of the Underground 00:07
If the police came in downstairs,
S01 • E03 We've got a resistive blob... Right there. ..right there. - Secrets of the Underground 00:04
We've got a resistive blob... Right there. ..right ther...
S01 • E02 It's rumoured to run off several gas generators the size of locomotives. - Secrets of the Underground 00:05
It's rumoured to run off several gas generators the siz...
S01 • E07 Holy crap. I'm feeling a little bit woozy. - Secrets of the Underground 00:04
Holy crap. I'm feeling a little bit woozy.
S01 • E01 These doors were spring-loaded and they'd automatically close. - Secrets of the Underground 00:04
These doors were spring-loaded and they'd automatically...