Southern Africa. Artwork of the geographical features of the southern part of the continent of Africa. Features shown include rivers, lakes, seas, forests, mountains, and deserts. At upper left is the Congo River, one of the world's largest rivers with a drainage basin of over four million square kilometres. At upper right are Africa's Great Lakes, the largest being Lake Tanganyika and Lake Victoria. Further south is Lake Malawi with the Zambezi River below it and the Ruvuma River to the east. Further south is the Limpopo River. The rivers south of the Congo are: the Cuanza River, the Cunene River, and the Orange River. The Okavango River and Delta are at lower centre.