"Ancient Aliens" the Prometheus Entertainment TV series hosted by Giorgio Tsoukalos, explores the 'ancient astronauts' hypothesis and past human-extraterrestrial contact in a non- critical, documentary format, now airing on the History Channel:
"...first-hand accounts and grounded theories surrounding the age old debate...
"...'Did intelligent beings from outer space visit Earth millions of years ago?'
"And how were massive stone blocks, weighing thousands of tons, precisely cut and erected in structures throughout the world?"
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