Beijing Sandstorm

The worst sandstorm in five years swept through Beijing, China, covering the city in some 300 000 tonnes of sand and yellow dust. Envisat captured the sand whipping over the capital on 17 April 2006. (Landmass has been outlined in black around the Yellow Sea for reference.)

Read more at:

http://www.esa.int/esaEO/SEMV28OFGLE_index_0.html