They are striking works of art by any standard: but what purpose did they serve? Some of the theories put forward suggest that the lines were ancient running tracks, runways for aliens, and even a giant astronomical calculator. But after decades of misunderstanding, modern archaeology may finally have an answer to the puzzle of the Nasca lines.
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March 7, 2010
47m
6.0
Philip J. Day
N/A
1
Edge West Productions
US
National Geographic
US
