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So they'll burrow around
and under these larger stones and eventually, over time,
they'll start sinking to the bottom
and under these larger stones and eventually, over time,
they'll start sinking to the bottom
Full Transcript
00:00:01.000 --> 00:00:03.096
So they'll burrow around
and under these larger stones
00:00:04.004 --> 00:00:08.056
and eventually, over time,
they'll start sinking to the bottom.
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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...