Dozens of circular geoglyphs, some comprising several intertwined rings, have been identified and mapped near the ancient Peruvian town of Quilcapampa, revealing that these earthen designs were created near ancient pathways used for trade. The newly mapped geoglyphs may have had symbolic significance, possibly representing the flow of people and goods through the town at the time.
http://www.seeker.com/mysterious-ring-shaped-geoglyphs-found-in-peru-2017784806.html
