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For people to die From something like that
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Secrets of the Underground

For people to dieFrom something like that, Then it has to beJust a lot of toxic fumes

For people to die
From something like that, Then it has to be
Just a lot of toxic fumes

Full Transcript

00:00:01.000 --> 00:00:03.499
For people to die From something like that,
00:00:03.005 --> 00:00:06.008
Then it has to be Just a lot of toxic fumes.
Duration
7 seconds
Views
16
Timestamp in Movie
00:10:43
Uploaded
Jul 12, 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 • E08 But I've got another toy in my toolkit - Secrets of the Underground 00:05
But I've got another toy in my toolkit
S01 • E01 I've uncovered two tunnels - Secrets of the Underground 00:08
I've uncovered two tunnels
S01 • E03 We have 56 electrodes and we want to send electrical current - Secrets of the Underground 00:07
We have 56 electrodes and we want to send electrical current
S01 • E01 But to understand how he could have accessed them, - Secrets of the Underground 00:13
But to understand how he could have accessed them,
S01 • E02 I've got a contact that I'm going to meet - Secrets of the Underground 00:07
I've got a contact that I'm going to meet
S01 • E08 So, if I point over here at Stefan, - Secrets of the Underground 00:06
So, if I point over here at Stefan,
S01 • E03 By analysing how the electrical pulses - Secrets of the Underground 00:11
By analysing how the electrical pulses
S01 • E07 In fact, the only way to get To this thing is by skiing. - Secrets of the Underground 00:04
In fact, the only way to get To this thing is by skiing.
S01 • E08 This is the same sort of camera that inspectors would use - Secrets of the Underground 00:07
This is the same sort of camera that inspectors would use
S01 • E07 Fumaroles aren't uncommon In volcanically active areas. - Secrets of the Underground 00:05
Fumaroles aren't uncommon In volcanically active areas.
S01 • E01 So tell me a little bit more about Al Capone. - Secrets of the Underground 00:04
So tell me a little bit more about Al Capone.
S01 • E02 Capitol Spokesman Doug Platt will be my escort into the abyss. - Secrets of the Underground 00:05
Capitol Spokesman Doug Platt will be my escort into the abys...
S01 • E03 We send currents through in all different directions, - Secrets of the Underground 00:05
We send currents through in all different directions,
S01 • E07 In fact, there are over 4,000 of them spewing steam. - Secrets of the Underground 00:04
In fact, there are over 4,000 of them spewing steam.
S01 • E08 I'm gonna use the camera to try to look around - Secrets of the Underground 00:06
I'm gonna use the camera to try to look around
S01 • E01 Al Capone would come to town - Secrets of the Underground 00:06
Al Capone would come to town
S01 • E03 And then we're going to be able to calculate from that - Secrets of the Underground 00:07
And then we're going to be able to calculate from that
S01 • E07 And in 1914 when alaska's Novarupta volcano erupted, - Secrets of the Underground 00:11
And in 1914 when alaska's Novarupta volcano erupted,
S01 • E01 And they would venture into the billiards room, - Secrets of the Underground 00:08
And they would venture into the billiards room,
S01 • E03 This is a great way to peer beneath the soil, - Secrets of the Underground 00:10
This is a great way to peer beneath the soil,