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So with all the earthquakes that have stirred up the soil here,
over the centuries, you'd expect to see larger stones
in the topsoil, with smaller particles below
over the centuries, you'd expect to see larger stones
in the topsoil, with smaller particles below
Full Transcript
00:00:01.000 --> 00:00:02.076
So with all the earthquakes
00:00:02.084 --> 00:00:05.036
that have stirred up the soil here,
over the centuries,
00:00:05.044 --> 00:00:08.048
you'd expect to see larger stones
in the topsoil,
00:00:08.056 --> 00:00:10.002
with smaller particles below.
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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...