Based on what I've seen so far, there are dozens of passagewaysand locked doors down here
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Based on what I've seen so far, there are dozens of passageways
and locked doors down here
and locked doors down here
Full Transcript
00:00:01.000 --> 00:00:02.096
Based on what I've seen so far,
00:00:03.004 --> 00:00:06.006
there are dozens of passageways
and locked doors down here.
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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...
