April 17, 2006
BEIJING - A sweep car clears dust-covered pavement from the rear Tiananmen Gate April 17, 2006 in Beijing, China. Millions of residents woke up to find Beijing covered in a thin layer of sand, another reminder that the desert is moving closer to the Chinese capital. Experts advised residents to stay indoors or wear masks when going out for their health as the dusty weather continued on Monday, China Daily reported. (Photo by Guang Niu/Getty Images)