20 Temporada
259 Episodio
Alienígenas ancestrales - Season 20 Episode 10 Misterios de las Esferas de Piedra
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.
- País : United States of America
- Género : Documentary, Mystery, Sci-Fi & Fantasy
- Director : Kevin Burns
- Emitir : Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok, Jonathan Young, David Childress, Erich von Däniken
