Vehicles covered by thick snow are seen on the street in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, Dec. 28, 2010. A heavy snow hit Urumqi at night on Monday. [Xinhua]

A pedestrian walks on the snow covered sidewalk in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, Dec. 28, 2010. A heavy snow hit Urumqi at night on Monday. [Xinhua]