I'm lucky that I've climbed this dune! Dune 45 in Sossusvlei is one of the most beautiful sand dunes in the world. Standing over 170 meters, it is composed of 5 million year old sand that was brought by the Orange River from the Kalahari Desert.
This is not a tornado in Namibia. Where is the flying sand? This is the shadow cast by the edge of a sand dune in Namibia. The picture was entered in the Italian National Geographic photo contest by Francesco Middei.