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But the locals whose livelihoods
have depended on it for decades were sure glad it did
have depended on it for decades were sure glad it did
Full Transcript
00:00:01.000 --> 00:00:04.000
But the locals whose livelihoods
have depended on it for decades
00:00:04.008 --> 00:00:06.008
were sure glad it did.
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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...