Tassili n'Ajjer
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Tassili n'Ajjer is a mountain range in the Sahara desert, located in south-eastern Algeria. It holds one of the most important groupings of prehistoric cave art in the world and covers an area of more
Aerial photograph of Tassili n'Ajjer
Two diagrams illustrating the geology of Tassili n'Ajjer
The barren Hamada of the External Tassili south of Illizi
The three formations of the Intra-Tassilian Group from Oued Imihrou
African humid period
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The African humid period was a climate period in Africa during the late Pleistocene and Holocene geologic epochs, when North Africa was wetter than it is today. The covering of much of the Sahara by g
Tassili n'Ajjer
…artifacts including ceramic pots and potsherds, lithic arrowheads, bowls and grinders, beads, and jewelry. The transition to pastoralism following the African Humid period during the early Holocene is reflected in Tassili n'Ajjer's archaeological material record, rock art, and zooarchaeology. Further, the occupation of…
The modern, arid Sahara. The Sahara was not a desert during the African humid period. Instead, most of North Africa was covered by grass, trees, and lakes.
A present-day savannah, Tarangire National Park, Tanzania
Images of swimming people in the Cave of Swimmers
The Lakes of Ounianga are recharged from fossil groundwater that originated partly during the AHP