This animated geography video lesson explores the landform of the Sahara, a desert in the north of Africa, one of earth's geographical wonders. With an area of 9,200,000 square kilometres, it is the largest and hottest desert in the world. We learn about sand dunes, how all this sand was formed, how animals and plants of the Sahara adaptations to the dry conditions, and the magical eye of the Sahara.   .