Sandstorms across China prompt health warnings

Tourists and residents wear masks as they visit Tiananmen gate during a sandstorm in Beijing, China, Monday, March 22, 2010. Cities across China are being battered by spring sandstorms, forcing residents to cover their faces with masks and scarves to protect against the swirling grit. (AP Photo/ Gemunu Amarasinghe) (AP Photo/ Gemunu Amarasinghe)

March 22, 2010 5:40:29 AM PDT
Sandstorms whipping across China shrouded cities in an unhealthy cloud of sand and grit Monday, with winds carrying the pollution outside the mainland as far as Hong Kong and Taiwan.