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
Lost in the Desert shot in two versions, one in Afrikaans and the other in English. The Afrikaans version appeared in 1969 under the title "Dirkie", and the English version appeared in either 1969 or 1970 (possibly varying according to country) under the title "Dirkie Lost in the Desert", which was sometimes referred to and marketed as "Lost in the Desert", which is possibly an alternative official title for the English version. The film was released on DVD in 2005 (copyright 1999), and this disc contains both versions of the film, selectable from the front menu. The English version is about 70 minutes long,