List the plains of Africa.

Africa is a huge continent with its diverse nature, valleys, mountains, plains, jungles, savannas, flora and fauna and others. We list the flat areas of Africa: the East African Rift Valley, the Sahara Desert, the Karoo and Namib Plains, the Chad Basin, the Ethiopian Highlands, the Congo Basin, the Tibesti Plateau, the Kalahari Basin, the Damata Highlands, the Adamawa Highlands, the Ahaggar Highlands, the Lesser Krater Highlands.