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It's a megalithic structure
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Secrets of the Underground

It's a megalithic structure made of massive rocksweighing as much as 50 tonnes each

It's a megalithic structure made of massive rocks
weighing as much as 50 tonnes each

Full Transcript

00:00:01.000 --> 00:00:02.052
It's a megalithic structure
00:00:02.006 --> 00:00:06.024
made of massive rocks weighing as much as 50 tonnes each.
Duration
6 seconds
Views
15
Timestamp in Movie
00:26:13
Uploaded
Jul 13, 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 • E03 Rainfall, underground springs and the feeder stream - Secrets of the Underground 00:06
Rainfall, underground springs and the feeder stream
S01 • E02 We've been into all these different tunnels, - Secrets of the Underground 00:13
We've been into all these different tunnels,
S01 • E08 The rocks are stacked on top of one another - Secrets of the Underground 00:05
The rocks are stacked on top of one another
S01 • E03 Even the fish came back, though no-one was stocking the lake. - Secrets of the Underground 00:04
Even the fish came back, though no-one was stocking the lake...
S01 • E07 Somebody from england That came over here, settled, - Secrets of the Underground 00:06
Somebody from england That came over here, settled,
S01 • E08 So it's clear that Stonehenge is a man-made monument, - Secrets of the Underground 00:09
So it's clear that Stonehenge is a man-made monument,
S01 • E01 (BEEPING) - Secrets of the Underground 00:04
(BEEPING)
S01 • E03 But as quickly as the solution seemed to come, - Secrets of the Underground 00:05
But as quickly as the solution seemed to come,
S01 • E02 And if it's because of the brothels, - Secrets of the Underground 00:05
And if it's because of the brothels,
S01 • E03 And as soon as they pulled their equipment out, - Secrets of the Underground 00:09
And as soon as they pulled their equipment out,
S01 • E08 While they do seem to form a perfect geometric shape, - Secrets of the Underground 00:07
While they do seem to form a perfect geometric shape,
S01 • E02 Yes. They just want to sneak in and sneak out without anyone noticing. - Secrets of the Underground 00:05
Yes. They just want to sneak in and sneak out without anyone...
S01 • E01 As the drone soars into the sky above, - Secrets of the Underground 00:06
As the drone soars into the sky above,
S01 • E02 So, the tunnels under the Capitol and Downtown - Secrets of the Underground 00:11
So, the tunnels under the Capitol and Downtown
S01 • E08 And while there is evidence that prehistoric tribes - Secrets of the Underground 00:09
And while there is evidence that prehistoric tribes
S01 • E01 At first glance, the mounds appear very ordered. - Secrets of the Underground 00:04
At first glance, the mounds appear very ordered.
S01 • E03 Everyone was stumped yet again - Secrets of the Underground 00:05
Everyone was stumped yet again
S01 • E01 As I'm looking at this, it looks very symmetrical to me. - Secrets of the Underground 00:05
As I'm looking at this, it looks very symmetrical to me...
S01 • E07 With what We call oratories, - Secrets of the Underground 00:05
With what We call oratories,
S01 • E08 And I haven't seen anything remotely resembling this formation - Secrets of the Underground 00:06
And I haven't seen anything remotely resembling this fo...