The Lines in the Desert

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The Nazca Lines have remained a mystery since they were "discovered" in the 1920's.  At that time airplanes began flying over the desert and people were able to see the lines and the figures.  Before that time people had known about the lines and figures, but they really could not appreciate the greatness of them until they were viewed from the air.

What are the reason for the lines? There are many theories.  The most famous person to study the lines was Maria Reiche who was a German mathematician and archeologist. 

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