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This upright's consistent With the letter
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Secrets of the Underground

This upright's consistentWith the letter "B." And these Two uprights together

This upright's consistent
With the letter "B." And these Two uprights together

Full Transcript

00:00:01.000 --> 00:00:03.769
This upright's consistent With the letter "B."
00:00:03.077 --> 00:00:05.006
And these Two uprights together.
Duration
6 seconds
Views
12
Timestamp in Movie
00:33:23
Uploaded
Jul 08, 2025
Season
1
Episode
7
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 At first, the GPR screen is quiet, indicating no anomalies underground. - Secrets of the Underground 00:06
At first, the GPR screen is quiet, indicating no anomalies u...
S01 • E03 We're calling it a cave, but what it really is it's nested boulders - Secrets of the Underground 00:06
We're calling it a cave, but what it really is it'...
S01 • E07 Are consistent With the letter "L." - Secrets of the Underground 00:06
Are consistent With the letter "L."
S01 • E08 Finding a carving would confirm that this site is man-made, - Secrets of the Underground 00:08
Finding a carving would confirm that this site is man-made,
S01 • E03 So when you're retrieving the ROV, don't move any rocks, - Secrets of the Underground 00:06
So when you're retrieving the ROV, don't move any ...
S01 • E01 Could the mysterious Mima Mounds of Washington State - Secrets of the Underground 00:06
Could the mysterious Mima Mounds of Washington State
S01 • E02 (RAPID BEEPING) - Secrets of the Underground 00:04
(RAPID BEEPING)
S01 • E07 Is recognized universally In christianity. - Secrets of the Underground 00:06
Is recognized universally In christianity.
S01 • E03 If this were to collapse and it could just trap your hand or something... - Secrets of the Underground 00:04
If this were to collapse and it could just trap your hand or...
S01 • E08 But the resolution from the ROV's camera - Secrets of the Underground 00:05
But the resolution from the ROV's camera
S01 • E02 The onscreen data spikes, - Secrets of the Underground 00:06
The onscreen data spikes,
S01 • E07 As the name spelled In greek letters - Secrets of the Underground 00:08
As the name spelled In greek letters
S01 • E01 I'm putting that theory to the test - Secrets of the Underground 00:08
I'm putting that theory to the test
S01 • E08 Yeah, I mean, erm...honestly, it is really hard to see. - Secrets of the Underground 00:04
Yeah, I mean, erm...honestly, it is really hard to see.
S01 • E02 Could this be the first glimpse of an ancient clue - Secrets of the Underground 00:07
Could this be the first glimpse of an ancient clue
S01 • E07 An ogham sign for "Lord." - Secrets of the Underground 00:05
An ogham sign for "Lord."
S01 • E01 Look at that! All of a sudden it's forming mounds on the surface. - Secrets of the Underground 00:05
Look at that! All of a sudden it's forming mounds on th...
S01 • E03 It's freezing cold, very cold. - Secrets of the Underground 00:04
It's freezing cold, very cold.
S01 • E07 Vance thinks It's highly unlikely, - Secrets of the Underground 00:06
Vance thinks It's highly unlikely,
S01 • E01 Right down here, you can see what looks exactly like the Mima Mounds, - Secrets of the Underground 00:08
Right down here, you can see what looks exactly like the Mim...