The Namib desert has about 80 million years and is believed to be one of the oldest deserts in the world. The name "Namib" is derived from the language of the people inhabiting the region, Nama and means "broad". The Namib desert occupies the western coast of Namibia, overlooking the Atlantic Ocean. Overall extension from North to South is about 1300 km; from East to West varying between 80 and 200 km. The total area is around 55,000 km ². The southern Namib between Luderitz and the Kuiseb River consists of a series of dunes and among the highest in the world, often characterized by intense colors. Especially known are the dune 45, described as "the most photographed in the world" and the Big Daddy, the world's highest about 300 m