If you takeA big handful of dirt, And inside of it, like, All of these little gray...
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If you take
A big handful of dirt, And inside of it, like, All of these little gray rocks.
This is pumice
A big handful of dirt, And inside of it, like, All of these little gray rocks.
This is pumice
Full Transcript
00:00:01.000 --> 00:00:03.469
If you take
A big handful of dirt,
00:00:03.047 --> 00:00:05.469
And inside of it, like,
00:00:05.047 --> 00:00:08.709
All of these little gray rocks.
This is pumice.
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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...
