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Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and some completely defy explanation; the mystery of the stone spheres could provide clues about humankind's past.
First Air Date : Apr 20, 2010
Last Air date : Mar 15, 2024
Episode : 249 Episode
Season : 20 Season
Runtime: 42:60 minutes
Studio: History
Country: United States of America
Cast: Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken
Crew:
