Tuesday, June 21, 2011

Amazing pictures-Eye of the Sahara

Eye of the Sahara

Geological formation on the territory of Mauritania remains one of the greatest mysteries of modern times. Perfectly round shape, flat bottom and impressive dimensions (50 km in diameter) denies all of the proposed version of the origin of structure Rishat. According to one hypothesis the age of the oldest ring of 0.5-0.6 billion years old.

amazing-pictures
amazing-pictures
amazing-pictures

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