Click the original video or article link here >>> Mysterious Subterranean Secret U.S. Military Base

The design, purpose and construction of this research base Camp Century which was built below ice sheet of Greenland in 1959 about the size of a small city.

Source: DOCUMENTARY TUBE

SNN Note: For more info on this topic, make certain to look up the term “DUMB” (deep underground military base) on this site and elsewhere.

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