Botswana and 30°E. The country is predominantly flat, tending toward gently rolling tableland. Botswana is dominated by the Kalahari Desert, which covers up to 70% of its land surface. The Okavango Delta, one of the world's largest inland deltas, is in the northwest. The Makgadikgadi Pan, a large salt pan, lies in the north. The Limpopo River Basin, the major landform of all of southern Africa, lies partly in Botswana, with the basins of its tributaries, the Notwane, Bonwapitse, Mahalapye, Lotsane, Motloutse and the Shashe, located in the eastern part of the country. The Notwane provides water to the capital through
Kalahari Debate Iron Age technologies at San sites, which both sides use to back their arguments. The San are a relatively small group of people whose communities are scattered throughout the Kalahari Desert in southern Africa. They are well known for practicing a hunter/gatherer subsistence strategy (also known as a "foraging" mode of production). Traditionalists, including Richard Lee and other anthropologists, view the San as maintaining this old but adaptable way of life, even in the face of changing external circumstances. These anthropologists view the San as isolates who are not, and have never been, part of a greater Kalahari economy. The