Aerial view of the Spider (46 meters long) at Nazca Lines, some 435 km south of Lima, Peru on December 11, 2014. Geoglyphs can be seen only from atop the surrounding foothills or from aircrafts. The purpose of Nazca lines remains unclear, according some scientists Nazca people created them to be seen by their gods from the sky. Nazca Lines cover an area of about 500 km2. AFP PHOTO / MARTIN BERNETTI (Photo by Martin BERNETTI / AFP)

I loro significato è oggetto di dibattito. Molti sostengono che fossero sentieri da usare durante le cerimonie religiose o per riti propiziatori legati ai raccolti. Per altri hanno un significato astronomico