Mysterious Nazca Line Geoglyphs Formed Ancient Pilgrimage Route

From LiveScience by Tia Ghose:

“SAN FRANCISCO — The Nazca Lines, a series of fantastical geoglyphs etched into the desert in Peru, may have been used by two separate groups of people to make pilgrimage to an ancient temple, new research suggests.

But the purpose of the desert etchings may have changed over time.”

http://m.livescience.com/50699-nasca-lines-ritual-procession.html