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ERT made headlines in 2016
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Secrets of the Underground

ERT made headlines in 2016 when it was used to uncovera secret tunnel dug by Jews...

ERT made headlines in 2016 when it was used to uncover
a secret tunnel dug by Jews attempting to flee
a Nazi execution site in Lithuania

Full Transcript

00:00:01.000 --> 00:00:03.088
ERT made headlines in 2016
00:00:03.096 --> 00:00:06.024
when it was used to uncover a secret tunnel
00:00:06.032 --> 00:00:10.072
dug by Jews attempting to flee a Nazi execution site in Lithuania.
Duration
11 seconds
Views
18
Timestamp in Movie
00:29:32
Uploaded
Jul 12, 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 • E03 You may not think of Virginia as a hotbed of seismic activity, - Secrets of the Underground 00:08
You may not think of Virginia as a hotbed of seismic activit...
S01 • E02 But two tribes are the most likely candidates. - Secrets of the Underground 00:04
But two tribes are the most likely candidates.
S01 • E07 The presence of A historic complex of ruins. - Secrets of the Underground 00:04
The presence of A historic complex of ruins.
S01 • E03 In fact, Central and Southwestern Virginia - Secrets of the Underground 00:08
In fact, Central and Southwestern Virginia
S01 • E08 You're saying that that area was not underwater 10,000 years ago? - Secrets of the Underground 00:05
You're saying that that area was not underwater 10,000 ...
S01 • E01 It's a great tool for our investigation - Secrets of the Underground 00:06
It's a great tool for our investigation
S01 • E02 They were hunter-gatherers who lived here from about 800BC to 1000AD. - Secrets of the Underground 00:07
They were hunter-gatherers who lived here from about 800BC t...
S01 • E07 Were they built by colonists, Native americans, - Secrets of the Underground 00:08
Were they built by colonists, Native americans,
S01 • E08 5,000 years ago, the water overran that site again - Secrets of the Underground 00:09
5,000 years ago, the water overran that site again
S01 • E02 They left behind numerous burial mounds across southern Ohio, - Secrets of the Underground 00:09
They left behind numerous burial mounds across southern Ohio...
S01 • E01 Clay materials are highly conductive, - Secrets of the Underground 00:08
Clay materials are highly conductive,
S01 • E03 And between 2005 and 2008, when the lake began to noticeably disappear, - Secrets of the Underground 00:13
And between 2005 and 2008, when the lake began to noticeably...
S01 • E07 To set up a simple test That might provide a key clue. - Secrets of the Underground 00:05
To set up a simple test That might provide a key clue.
S01 • E01 We'll put a stick in every 4'. OK. - Secrets of the Underground 00:04
We'll put a stick in every 4'. OK.
S01 • E07 My goodness. The sun goes in, - Secrets of the Underground 00:09
My goodness. The sun goes in,
S01 • E02 Was this their crowning achievement, - Secrets of the Underground 00:07
Was this their crowning achievement,
S01 • E08 It would have been a wonderful place for people to live - Secrets of the Underground 00:07
It would have been a wonderful place for people to live
S01 • E01 56 metal electrodes will pass the current into the ground. - Secrets of the Underground 00:04
56 metal electrodes will pass the current into the ground.
S01 • E03 So could these tremors be connected somehow - Secrets of the Underground 00:05
So could these tremors be connected somehow
S01 • E02 The common perception of pre-Columbian tribes - Secrets of the Underground 00:09
The common perception of pre-Columbian tribes