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It can also be used on a macro scale
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Secrets of the Underground

It can also be usedon a macro scale, like in 2015, when an aerialremote-sensing Lidar was...

It can also be used
on a macro scale, like in 2015, when an aerial
remote-sensing Lidar was used to discover a mysterious culture's
lost city in the Honduran rainforest

Full Transcript

00:00:01.000 --> 00:00:02.088
It can also be used on a macro scale,
00:00:02.096 --> 00:00:07.004
like in 2015, when an aerial remote-sensing Lidar was used
00:00:07.012 --> 00:00:11.008
to discover a mysterious culture's lost city in the Honduran rainforest.
Duration
11 seconds
Views
15
Timestamp in Movie
00:14:08
Uploaded
Jul 08, 2025
Season
1
Episode
1
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 This is completely pristine. - Secrets of the Underground 00:04
This is completely pristine.
S01 • E03 The site lies on private railroad property - Secrets of the Underground 00:08
The site lies on private railroad property
S01 • E02 Is there a map that I could look at to figure out - Secrets of the Underground 00:05
Is there a map that I could look at to figure out
S01 • E07 Now, the other thing That comes to mind is - Secrets of the Underground 00:07
Now, the other thing That comes to mind is
S01 • E02 To my knowledge, there's no comprehensive map - Secrets of the Underground 00:05
To my knowledge, there's no comprehensive map
S01 • E08 GPR does all the work for you, you just got to be able to interpret it. - Secrets of the Underground 00:05
GPR does all the work for you, you just got to be able to in...
S01 • E03 So we won't be able to confirm for sure - Secrets of the Underground 00:09
So we won't be able to confirm for sure
S01 • E01 Today, though, we'll use it to scan Capone's second-floor hideout, - Secrets of the Underground 00:18
Today, though, we'll use it to scan Capone's secon...
S01 • E07 When you have a fire, - Secrets of the Underground 00:07
When you have a fire,
S01 • E02 I don't know why there's not a map of the tunnel system, - Secrets of the Underground 00:07
I don't know why there's not a map of the tunnel s...
S01 • E03 Why would railroad officials try to conceal these 49 deaths - Secrets of the Underground 00:08
Why would railroad officials try to conceal these 49 deaths
S01 • E08 Each step you're taking is shooting out hundreds of data points - Secrets of the Underground 00:07
Each step you're taking is shooting out hundreds of dat...
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