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That's like intact rock that
you really can't get current into, which implies there's no clay
content in the soil, and it's very dry
you really can't get current into, which implies there's no clay
content in the soil, and it's very dry
Full Transcript
00:00:01.000 --> 00:00:06.064
That's like intact rock that
you really can't get current into,
00:00:06.072 --> 00:00:09.008
which implies there's no clay
content in the soil,
00:00:09.088 --> 00:00:11.008
and it's very dry.
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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...