Chad rooms
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Ennedi rock art Thousands of paintings and engravings in a Saharan refuge, ordered by wild animals, then cattle, then horses and camels together, as the green Sahara dried. -
Toumaï A crushed cranium from Toros-Menalla, dated by cosmogenic isotopes to between about 7.2 and 6.8 million years, with a brain the size of an ape’s and a thigh bone read as an early biped and as not habitually upright.