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 Desert San live in huts built from local materials—the frame is made of branches, and the roof is thatched with long grass. Most of their hunting and gathering techniques replicate our pre-historic tribes. Their mythology includes legends of a god Chikara, protecting them from starvation and death by sacrificing his own life by being hunted in the form of a deer and other wild game they hunt for food. Bux is the enemy of Chikara and is in the form of snakes which are found in considerable numbers in the Kalaharian desert region. Bantu-speaking Tswana, Kgalagadi, and Herero and a small