Episode Description: Beware, spoilers! To read - hover over the text.
One third of the Earth's land surface is occupied by deserts. Here day can die from the heat, and at night freeze to death. The Sahara and other deserts continue to grow. Where there is no water, it is difficult to imagine life, but it is. And every inhabitant of the deserts have developed their own methods of dealing with temperature changes and lack of resources.