صحرای الجزایر،زیباترین و شگفت انگیزترین بیابان جهان Sahara in Algeria-Most Beautiful Desert in World


The Algerian portion of the Sahara extends south of the Saharan Atlas for 1,500 kilometers to the Niger and Mali frontiers.The largest such region is the Grand Erg Oriental (Great Eastern Erg), where enormous dunes two to five meters high are spaced about forty meters apart. Much of the remainder of the desert is covered by rocky platforms and almost the entire southeastern quarter is taken up by the high,some parts of which reach more than 2,000 meters. Surrounding the Ahaggar are sandstone plateaus, cut into deep gorges by ancient rivers, and to the west a desert of pebbles stretches to the Mali frontier.

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