Ancient Aliens
Mysterious Structures
TV-14
S8 • E2 Jun 20, 2014 43m7.19.0
Theorists explain how alien technology may be responsible for massive structures like the 3,000 megalithic stones in the French village of Carna, precision-cut blocks at Puma Punku in Peru and the Gobekli Tepe's 12,000-year-old circular structures.
