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Each step you're taking is shooting out hundreds of data points
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Secrets of the Underground

Each step you're taking isshooting out hundreds of data points and then plotting themon...

Each step you're taking is
shooting out hundreds of data points and then plotting them
on this display

Full Transcript

00:00:01.000 --> 00:00:04.032
Each step you're taking is shooting out hundreds of data points
00:00:04.004 --> 00:00:07.012
and then plotting them on this display.
Duration
7 seconds
Views
27
Timestamp in Movie
00:14:27
Uploaded
Jul 12, 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 • E07 Would probably be completely Charred and burnt. - Secrets of the Underground 00:04
Would probably be completely Charred and burnt.
S01 • E02 So, we have a State Capitol with state-of-the-art heating, - Secrets of the Underground 00:08
So, we have a State Capitol with state-of-the-art heating,
S01 • E08 If these secret Spanish tunnels do exist, - Secrets of the Underground 00:06
If these secret Spanish tunnels do exist,
S01 • E03 According to the company's recently unearthed secret files, - Secrets of the Underground 00:12
According to the company's recently unearthed secret fi...
S01 • E07 As I wind my way through This haunting landscape, - Secrets of the Underground 00:07
As I wind my way through This haunting landscape,
S01 • E01 The lasers could damage our cameras, so we can't film the process. - Secrets of the Underground 00:06
The lasers could damage our cameras, so we can't film t...
S01 • E02 So, we're gonna try to figure out where these tunnels are from up above. - Secrets of the Underground 00:05
So, we're gonna try to figure out where these tunnels a...
S01 • E08 That's probably the bottom of the concrete - Secrets of the Underground 00:06
That's probably the bottom of the concrete
S01 • E07 So, I knelt down here To try to look at the soil, - Secrets of the Underground 00:06
So, I knelt down here To try to look at the soil,
S01 • E02 Down in this labyrinth, it's hard to know which direction I'm facing, - Secrets of the Underground 00:10
Down in this labyrinth, it's hard to know which directi...
S01 • E08 The GPR is not revealing much of anything in most of the yard. - Secrets of the Underground 00:04
The GPR is not revealing much of anything in most of the yar...
S01 • E07 If you take A big handful of dirt, - Secrets of the Underground 00:09
If you take A big handful of dirt,
S01 • E01 OK. I have our results for our Lidar tests here. - Secrets of the Underground 00:05
OK. I have our results for our Lidar tests here.
S01 • E03 Cholera is typically spread through tainted food and water. - Secrets of the Underground 00:05
Cholera is typically spread through tainted food and water.
S01 • E01 The data gives me a 3-D model of the entire room. - Secrets of the Underground 00:04
The data gives me a 3-D model of the entire room.
S01 • E03 Cholera epidemics were prevalent in the United States - Secrets of the Underground 00:10
Cholera epidemics were prevalent in the United States
S01 • E02 There are no visual points of reference to the surface - Secrets of the Underground 00:07
There are no visual points of reference to the surface
S01 • E08 Yeah, it definitely spiked right there. Yeah. - Secrets of the Underground 00:04
Yeah, it definitely spiked right there. Yeah.
S01 • E01 The table, chandelier and even the carpet pattern are clear as day. - Secrets of the Underground 00:05
The table, chandelier and even the carpet pattern are clear ...
S01 • E08 Again and again, we go over the area, and each time the readings spike. - Secrets of the Underground 00:06
Again and again, we go over the area, and each time the read...