Disappearing MauritaniaThroughout the desolate, dune-enveloped country that is twice the size of France, men and women wage a daily battle against the sand. With less rain falling now than in years past, the dunes have become dry and unstable. Dunes are said to be shifting at an estimated rate of about 2 to 2 1/2 miles per year, according to government data. As dunes encroach, the desert nation struggles to keep its head above the sand.
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