Nazca desert. III century BC Bashny.Net

How in the III century BC, it was possible to portray these giant figures - still remains a mystery. They are not marked on the sand, but on solid rock. There is speculation that the ancient tribes like the image designated its territory. However, they can be seen only with a bird's-eye view, so this is clearly not the creation of human hands. It is believed that the drawings and stripes in the Nazca desert is not that other, as alien lighthouses ...