Tag Archive for tunnel system

Explorer : Easter Island Underworld (Full Video)

December 8, 2012 / dgcrenshaw / 2 comments

from youtube

uploaded by NationalGeographic

Published on Feb 16, 2012

On legendary Easter Island, scientists undertake a groundbreaking expedition: to map a vast cave system.

Enjoyed best if viewed in full screen mode

Category: Hollow Earth/ Subterranean Worlds, True Hidden History / Tags: , , , , ,
 
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