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Because if it does, that could lend credence to the rumours
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Secrets of the Underground

Because if it does, that couldlend credence to the rumours about Denver's subterranean...

Because if it does, that could
lend credence to the rumours about Denver's subterranean secrets

Full Transcript

00:00:01.000 --> 00:00:04.024
Because if it does, that could lend credence to the rumours
00:00:04.032 --> 00:00:06.096
about Denver's subterranean secrets.
Duration
7 seconds
Views
18
Timestamp in Movie
00:17:46
Uploaded
Jul 10, 2025
Season
1
Episode
2
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 • E01 And even in our time, infamous Mexican drug lord El Chapo Guzman - Secrets of the Underground 00:12
And even in our time, infamous Mexican drug lord El Chapo Gu...
S01 • E07 Insar, or interferometric Synthetic aperture radar, - Secrets of the Underground 00:08
Insar, or interferometric Synthetic aperture radar,
S01 • E08 Peter has been using cutting-edge technology - Secrets of the Underground 00:07
Peter has been using cutting-edge technology
S01 • E03 As Janet explains, - Secrets of the Underground 00:08
As Janet explains,
S01 • E02 It looks like it was designed as a barrier to block the tunnel. - Secrets of the Underground 00:04
It looks like it was designed as a barrier to block the tunn...
S01 • E08 These brand-new maps can dissect the complex layers of history - Secrets of the Underground 00:09
These brand-new maps can dissect the complex layers of histo...
S01 • E07 Of radiation on the target, - Secrets of the Underground 00:06
Of radiation on the target,
S01 • E02 To find out, we're going to use what's called sonic echo testing. - Secrets of the Underground 00:05
To find out, we're going to use what's called soni...
S01 • E03 Basically, what's happening is these Irish folks come into town, - Secrets of the Underground 00:07
Basically, what's happening is these Irish folks come i...
S01 • E01 Each modest-looking home had a bathtub - Secrets of the Underground 00:05
Each modest-looking home had a bathtub
S01 • E02 By sending a sound wave into the wall and reading the echo, - Secrets of the Underground 00:09
By sending a sound wave into the wall and reading the echo,
S01 • E08 This is exactly what I've been looking for, - Secrets of the Underground 00:07
This is exactly what I've been looking for,
S01 • E01 The tunnels linked up with the public sewage system, - Secrets of the Underground 00:15
The tunnels linked up with the public sewage system,
S01 • E03 They're Catholic and this is, you know, - Secrets of the Underground 00:07
They're Catholic and this is, you know,
S01 • E07 And one of the most troubling Areas insar has pinpointed. - Secrets of the Underground 00:04
And one of the most troubling Areas insar has pinpointed.
S01 • E08 Let's see. So, what we've been doing is digitising the maps. - Secrets of the Underground 00:04
Let's see. So, what we've been doing is digitising...
S01 • E07 Happens to be very close To mammoth lakes. - Secrets of the Underground 00:04
Happens to be very close To mammoth lakes.
S01 • E02 So, we have the mallet. We're gonna bang the wall, - Secrets of the Underground 00:10
So, we have the mallet. We're gonna bang the wall,
S01 • E03 But was mere intolerance enough of a motivation for mass murder? - Secrets of the Underground 00:05
But was mere intolerance enough of a motivation for mass mur...
S01 • E08 That way we were able to overlay all of them on top of each other - Secrets of the Underground 00:07
That way we were able to overlay all of them on top of each ...