Architecture, African, Nomads and pastoralists

A hunting and gathering economy obliges the San of the Kalahari to move camp frequently. Some San scherms (shelters) may be little more than depressions in the ground, but groups such as the !Kung build light-framed shelters of sticks and saplings covered with grass. Other hunter-gatherers, such as the Hadza of Tanzania, live amid relative plenty; their dry savanna territory