NASA Adds to Evidence of Mysterious Ancient Earthworks

[Dexter]

http://www.nytimes.com/2015/11/03/science/nasa-adds-to-evidence-of-mysterious-ancient-earthworks.html?hp&action=click&pgtype=Homepage&module=photo-spot-region&region=top-news&WT.nav=top-news&_r=0

High in the skies over Kazakhstan, space-age technology has revealed an ancient mystery on the ground. Satellite pictures of a remote and treeless northern steppe reveal colossal earthworks — geometric figures of squares, crosses, lines and rings the size of several football fields, recognizable only from the air and the oldest estimated at 8,000 years old.