The Nazca lines have remained a mystery for decades, but recent studies believe that the answer is not in aliens, but in a sacred ritual directly related to water.
The Nazca lines have remained a mystery for decades, but recent studies believe that the answer is not in aliens, but in a sacred ritual directly related to water.
General Note
Originally released by BBC Worldwide Learning, 2009.
Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.