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So is disease the real culprit behind these deaths?
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Secrets of the Underground

So is disease the real culpritbehind these deaths?

So is disease the real culprit
behind these deaths?

Full Transcript

00:00:01.000 --> 00:00:05.028
So is disease the real culprit behind these deaths?
Duration
5 seconds
Views
21
Timestamp in Movie
00:15:05
Uploaded
Jul 09, 2025
Season
1
Episode
3
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 • E07 Could there be a magma Chamber bubbling up here, too, - Secrets of the Underground 00:07
Could there be a magma Chamber bubbling up here, too,
S01 • E01 What I'm most interested in - Secrets of the Underground 00:06
What I'm most interested in
S01 • E08 (BEEPING CONTINUES) - Secrets of the Underground 00:06
(BEEPING CONTINUES)
S01 • E03 Some believe that story just doesn't add up. - Secrets of the Underground 00:04
Some believe that story just doesn't add up.
S01 • E03 We rescanned the area and I think we found a mass gravesite. - Secrets of the Underground 00:06
We rescanned the area and I think we found a mass gravesite.
S01 • E02 It's normally used to find blockages in pipes underground. - Secrets of the Underground 00:05
It's normally used to find blockages in pipes undergrou...
S01 • E08 Could this be the smoking gun - Secrets of the Underground 00:06
Could this be the smoking gun
S01 • E07 Figure out what's going on With the soil chemistry here. - Secrets of the Underground 00:04
Figure out what's going on With the soil chemistry here...
S01 • E02 It works as a beacon, putting out electromagnetic waves - Secrets of the Underground 00:07
It works as a beacon, putting out electromagnetic waves
S01 • E07 Maybe that will answer Some of my questions. - Secrets of the Underground 00:05
Maybe that will answer Some of my questions.
S01 • E08 If it is, maybe The Rock wasn't quite as impregnable as we thought. - Secrets of the Underground 00:05
If it is, maybe The Rock wasn't quite as impregnable as...
S01 • E03 Physical anthropologist Janet Monge - Secrets of the Underground 00:08
Physical anthropologist Janet Monge
S01 • E01 If you look at this, right here behind the poker room - Secrets of the Underground 00:11
If you look at this, right here behind the poker room
S01 • E07 Once again, my trusty c.O.2 Detector paints a grim picture. - Secrets of the Underground 00:06
Once again, my trusty c.O.2 Detector paints a grim picture.
S01 • E02 A receiver above ground uses those waves - Secrets of the Underground 00:07
A receiver above ground uses those waves
S01 • E03 And she's sceptical that all 57 workers who went missing - Secrets of the Underground 00:07
And she's sceptical that all 57 workers who went missin...
S01 • E07 Normally, we're at about 350 parts per million. - Secrets of the Underground 00:05
Normally, we're at about 350 parts per million.
S01 • E02 All right, Rob, I'm heading upstairs. Let's see what we can find. - Secrets of the Underground 00:05
All right, Rob, I'm heading upstairs. Let's see wh...
S01 • E03 In the 1830s, cholera's fatality rate was about 60%. - Secrets of the Underground 00:06
In the 1830s, cholera's fatality rate was about 60%.
S01 • E08 I'm in the rec yard of the infamous Alcatraz prison - Secrets of the Underground 00:08
I'm in the rec yard of the infamous Alcatraz prison