In this lonely valley called Tazerzaït, where the Aïr Massif meets the great sand seas of the Sahara, the ... and mammoth outcroppings of glassy marble and obsidian that breach the sand like ...
Live Science on MSN16d
Earth from space: Wandering sand dunes circle gigantic 'eye' sculpted by ancient city-killer meteor in the SaharaThis striking astronaut photo shows off an "eye-catching" impact crater in the Sahara Desert. The oculus-like structure is ...
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