The next step is going acrossthe street, directly across here, to see if the building...
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The next step is going across
the street, directly across here, to see if the building there
in the basement has a corresponding door
the street, directly across here, to see if the building there
in the basement has a corresponding door
Full Transcript
00:00:01.000 --> 00:00:05.076
The next step is going across
the street, directly across here,
00:00:05.084 --> 00:00:09.036
to see if the building there
in the basement
00:00:09.044 --> 00:00:11.024
has a corresponding door.
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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...
