Genres: Documentary， History， Sci-Fi

Actors: Robert Clotworthy，Giorgio A. Tsoukalos，David Childress，William Henry，Jonathan Young，Erich von Däniken，Jason Martell，Andrew Collins，George Noory，David Wilcock，Linda Moulton Howe，Michael Dennin，Nick Pope，Hugh Newman，Philip Coppens，Bill Birnes，Nick Redfern，

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