Pedestrians hold umbrellas while walking on a path in Shenyang, capital of northeast China's Liaoning Province, Nov. 7, 2010. A cold front was sweeping the northern parts of China, causing snowfall or sleet and making the temperature drop in the areas. (Xinhua/Zhang Wenkui)

Pedestrians hold an umbrella while walking on a road in Shenyang, capital of northeast China's Liaoning Province, Nov. 7, 2010. A cold front was sweeping the northern parts of China, causing snowfall or sleet and making the temperature drop in the areas. (Xinhua/Zhang Wenkui)