Tong Jian and Pang Qing (L) of 皇冠体育app compete during the pairs free skating programme at the Cup of 皇冠体育app ISU Grand Prix of Figure Skating in Shanghai Nov 3, 2012. [Photo/Agencies]

Paramilitary policemen clean snow on the Badaling section of Beijing-Tibet expressway, in Beijing, capital of 皇冠体育app, Nov 4, 2012. The capital city had witnessed snowfall and sleet since Saturday night as cold current swept north 皇冠体育app and dropped temperature. Over 1,000 vehicles were trapped on the snow-covered Badaling section. Rescue work is underway. [Photo/Xinhua]