The Kalahari Desert is a large semi-arid sandy savanna in Southern Africa extending for 900,000 square kilometres (350,000 sq mi), covering much of Botswana, as well as parts of Namibia and South Africa.
Kalahari in Namibia
Bird's eye view of the Kalahari in Namibia: the darker dots are camel thorns
Kalahari claypan near Onderombapa
Heavy thunderstorm near Stampriet
Southern Africa is the southernmost region of Africa. No definition is agreed upon, but some groupings include the United Nations geoscheme, the intergovernmental Southern African Development Community, and the physical geography definition based on the physical characteristics of the land.
A November 2002 satellite image of Southern Africa
A waterfall in the Witwatersrand region near Johannesburg
The Sandton section of Johannesburg, the financial centre of South Africa