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Photo: Sahara Sand Dunes |
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Photograph by Thomas J. Abercrombie
Fickle sculptor, the wind each day reshapes Sahara dunes. These 150-foot-high [46-meter-high] waves flow across the Erg Bourarhet region. Sand covers less than a fifth of the vast Sahara; the rest is a harsh world of gravel plains, stark mountains, and dry salt lakes.
—From "Algeria: Learning to Live With Independence," August 1973, National Geographic magazine
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