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Secrets of the Underground

We're not allowed tophysically dig up the site, but luckily, we don't need to

We're not allowed to
physically dig up the site, but luckily, we don't need to

Full Transcript

00:00:01.000 --> 00:00:03.056
We're not allowed to physically dig up the site,
00:00:03.064 --> 00:00:05.008
but luckily, we don't need to.
Duration
6 seconds
Views
18
Timestamp in Movie
00:32:38
Uploaded
Jul 13, 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 • E03 Look at all the silt flowing past you. Wow. - Secrets of the Underground 00:04
Look at all the silt flowing past you. Wow.
S01 • E07 With what could be seen in early Irish christian manuscripts, - Secrets of the Underground 00:10
With what could be seen in early Irish christian manuscripts...
S01 • E03 But as is gets closer to the possible source of the leak, - Secrets of the Underground 00:06
But as is gets closer to the possible source of the leak,
S01 • E02 Now, state-of-the-art scanning technology - Secrets of the Underground 00:07
Now, state-of-the-art scanning technology
S01 • E01 Each hammer hit is meant to represent a seismic event. - Secrets of the Underground 00:04
Each hammer hit is meant to represent a seismic event.
S01 • E01 It's making the board shake - Secrets of the Underground 00:07
It's making the board shake
S01 • E07 These are ogom Or ogham letters. - Secrets of the Underground 00:05
These are ogom Or ogham letters.
S01 • E02 This is the GPR unit, ground penetrating radar. - Secrets of the Underground 00:05
This is the GPR unit, ground penetrating radar.
S01 • E08 The ROV gives me a much closer look at the site than the radar scans. - Secrets of the Underground 00:06
The ROV gives me a much closer look at the site than the rad...
S01 • E03 I can just wiggle a little bit, but I can't get out. - Secrets of the Underground 00:04
I can just wiggle a little bit, but I can't get out.
S01 • E07 Because it's easy To chisel into wood, - Secrets of the Underground 00:06
Because it's easy To chisel into wood,
S01 • E02 Ground penetrating radar fires energy waves under the surface. - Secrets of the Underground 00:05
Ground penetrating radar fires energy waves under the surfac...
S01 • E03 Let me give a tug on the umbilical and see if we can get you free. - Secrets of the Underground 00:05
Let me give a tug on the umbilical and see if we can get you...
S01 • E01 Oh my gosh! Look at that! - Secrets of the Underground 00:05
Oh my gosh! Look at that!
S01 • E08 As a marine biologist, - Secrets of the Underground 00:05
As a marine biologist,
S01 • E02 Any anomalies buried below will bounce these waves back - Secrets of the Underground 00:12
Any anomalies buried below will bounce these waves back
S01 • E08 And at first glance, - Secrets of the Underground 00:05
And at first glance,
S01 • E03 Tugging on the cables could damage the equipment, - Secrets of the Underground 00:10
Tugging on the cables could damage the equipment,
S01 • E01 Is a hammer and plywood really all it takes - Secrets of the Underground 00:07
Is a hammer and plywood really all it takes
S01 • E07 Today, about 400 known Ogham inscriptions survive, - Secrets of the Underground 00:07
Today, about 400 known Ogham inscriptions survive,