Saline to desert in the north of Chile, as known as Atacama
From air archeologists have found out strange patterns on hills, In which we see motives already familiar to us.
Within the paleocontact theory we assume that these patterns were left by Indians, judging by their rough execution. In them they tried to represent ancient astronauts who probably entered with them direct contact as we see the schematical image of certain beings.
The following photo is very indicative, we see ancient essences, and a certain similarity of flying object hardly above, which Indians have tried to represent.