Many experts believe they are descended from the original Middle Stone Age expansion of anatomically modern humans.

Hints of this Africa still appear ... From his hut high in the Buska Mountains, Wangala Bankimaro rules some 30,000 members of the Hamar tribe. The Hamar are mostly pastoralists, herding cattle ...

"We will fight for our land until the end" reads a sign by a Maasai woman in 2013 More than 100 Maasai huts in Tanzania have ... It's the latest example in East Africa of the growing tensions ...