Sahara Desert: The warmest in the world, with 9 million km2 of elevation. It covers most of North Africa, from the Red Sea to the Atlantic Ocean. Sahel: Tropical semi-arid savannah that borders to the north with the Sahara. Sudanese savanna: A tropical fruit savanna fringe that crosses the African continent, from the Atlantic Ocean to the Ethiopian massif. Forest of the Congo: After a transition zone from the Sahel, the Congo forest occupies most of the Africa center. The second largest tropical forest continues in the world after the Amazonia. Namib Desert: It is the oldest desert in the world, since it existed during the Tertiary Era, 65 million years ago. Kalahari Desert: Of 930,000 km2 of extension, it crosses several countries of the South African. Okavango Delta: More than a delta, because it does not go out to sea, it is an extensive alluvial region flooded by the Okavango River, it is born from a quite rainy area in Angola. Great Lakes: A high plateau along the Great Rift Valleys hosts a series of large lakes, the best known being Lake Victoria, the second largest freshwater lake in the world. Sierra of Kenya: A series of mountains including Mount Kenya, which is located in the center of the country to which it gives its name and is the second highest peak in Africa, after Kilimanjaro. Ethiopian Massif: It is the mountainous region, formed by high plateaus and plateaus, which extends to an average height of 1,500 meters above sea level by Etopia, Eritrea and north of Somalia in northwest Africa. Great Rift Valley: It is a large geological fracture whose total extension is 4,830 km in a north-south direction, and in Africa it goes from Djibouti to Mozambique
