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The question is, does this opening connect to the main cellblock
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Secrets of the Underground

The question is, does this openingconnect to the main cellblock where we found evidence of...

The question is, does this opening
connect to the main cellblock where we found evidence of air
pockets behind the adjoining wall?

Full Transcript

00:00:01.000 --> 00:00:04.092
The question is, does this opening connect to the main cellblock
00:00:05.000 --> 00:00:09.000
where we found evidence of air pockets behind the adjoining wall?
Duration
9 seconds
Views
15
Timestamp in Movie
00:16:09
Uploaded
Jul 09, 2025
Season
1
Episode
8
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 • E02 Put a point right there and we'll do the same thing down here - Secrets of the Underground 00:06
Put a point right there and we'll do the same thing dow...
S01 • E03 One of the skulls shows a very distinct hole. - Secrets of the Underground 00:05
One of the skulls shows a very distinct hole.
S01 • E01 You do have some type of anomaly down here, - Secrets of the Underground 00:06
You do have some type of anomaly down here,
S01 • E02 Let's go and have you move 80ft down that tunnel. - Secrets of the Underground 00:05
Let's go and have you move 80ft down that tunnel.
S01 • E03 We found metal fragments inside of the skull. No way. Really? - Secrets of the Underground 00:04
We found metal fragments inside of the skull. No way. Really...
S01 • E08 We've got a perfect line going right to that cellblock. - Secrets of the Underground 00:04
We've got a perfect line going right to that cellblock.
S01 • E01 Our GPR data reveals some curious irregularities - Secrets of the Underground 00:06
Our GPR data reveals some curious irregularities
S01 • E03 So, we do know that it was a bullet hole. Really? Absolutely. - Secrets of the Underground 00:05
So, we do know that it was a bullet hole. Really? Absolutely...
S01 • E08 All of these anomalies that we're finding - Secrets of the Underground 00:06
All of these anomalies that we're finding
S01 • E07 I'm in mammoth lakes, California, - Secrets of the Underground 00:09
I'm in mammoth lakes, California,
S01 • E03 This is actually probably an axe wound. - Secrets of the Underground 00:04
This is actually probably an axe wound.
S01 • E08 They don't appear to be something that is really natural, - Secrets of the Underground 00:06
They don't appear to be something that is really natura...
S01 • E01 What I interpret from the data you've scanned - Secrets of the Underground 00:06
What I interpret from the data you've scanned
S01 • E03 Janet sees compelling evidence that they were inflicted - Secrets of the Underground 00:06
Janet sees compelling evidence that they were inflicted
S01 • E02 I'm standing maybe 200ft away from the Capitol building. - Secrets of the Underground 00:04
I'm standing maybe 200ft away from the Capitol building...
S01 • E08 It looks like it could be a tunnel - Secrets of the Underground 00:06
It looks like it could be a tunnel
S01 • E02 This tunnel is heading into the Downtown area, it seems like. - Secrets of the Underground 00:05
This tunnel is heading into the Downtown area, it seems like...
S01 • E03 After the person was dead, this would have shattered the skull. - Secrets of the Underground 00:05
After the person was dead, this would have shattered the sku...
S01 • E01 If it was built originally to a certain thickness, - Secrets of the Underground 00:07
If it was built originally to a certain thickness,
S01 • E07 An imminent eruption scattered Throughout this valley, - Secrets of the Underground 00:06
An imminent eruption scattered Throughout this valley,