Photo: Exodus From Drying Sahara Gave Rise to Pharaohs, Study Says



The Great Sand Sea of Egypt in the eastern Sahara once supported savannahs full of wildlife, lush rain forests, and areas so swampy they were uninhabitable.

A human exodus some 5,000 years ago, as the desert turned increasingly arid, prompted settlements along the Nile River that spawned the first ancient Egyptian civilizations ruled by pharaohs, a new study suggests.

Photograph © Science


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