This prominent circular feature in the Sahara desert is known as The Richat Structure. It attracts a lot of attention due to its Dart style Bulls-Eye shape in the ordinary situated desert. The structure, which has a diameter of approx 31 miles and is located 400–450 metres above sea level and have become a landmark for space shuttle crews.
It was initially interpreted as a meteorite impact structure because of its circularity, it is now thought to be a symmetrical uplift (circular anticline or dome) that has been laid bare by erosion.
This dart board look a like erosion is a natural element that want to see, it looks so appealing from the aerial view and would love to see it in reality.
courtesy of msn.com
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