18 minutes | May 15th 2017

4 - Ancient Aliens or Prehistoric Hot Air Balloons?

The Nazca lines have baffled scientists and explorers for centuries. The giant carvings in the earth are best viewed from space, but they were created sometime around 500 A.D. How did they execute such elaborate designs? And why build something you could never fully appreciate?  See acast.com/privacy for privacy and opt-out information.
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