
Giants in the Earth: The Paleoburrows
Stuff To Blow Your Mind
00:00
The Evolution Underground, Burrows, Bunkers and the Wonderful Subterranean World
The tunnels of south america are not the work of a pre columbian society. They are older, and they are quite impressive. One of my main sources here is an excellent book that came out in 20 sevent by anthony j. Martin,. The evolution underground, burrows, bunkers and the marvelous subterranean world beneath our feet.
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