Sahara detail
LocationNorth Africa
Area9,200,000 km2
ContinentAfrica
TypeSubtropical
About Sahara detail
The Sahara was green during the African Humid Period 11,000-5,000 years ago. Rock art shows hippos, crocodiles, and cattle. The Tassili nAjjer cave paintings document this green period. Climate shifts drove the Sahara to desert.
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