The last of two programmes. 2: Sea of Sand. Sue Armstrong travels to the Namib desert to discover how the plants and animals that live there manage to survive searing heat and desiccating wind to make the dunes and plains their home. Atroop of baboons that can survive for 100 days without drinking and plants that hide underthe sand with only a window on the world are some of the extraordinary inhabitants of this ancient desert. Producer Louise Dalz 'el