Ancient Aliens on Twitter: "We travel to Bolivia #InSearchofAliens this FRIDAY to investigate the logic-defying structures at Puma Punku. http://t.co/js6v7KIJdU" / Twitter
Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text
Ancient Aliens: Engineering Puma Punku (Season 12) | Exclusive | History - YouTube