A snow clearer works on a road in Changchun, capital of northeast China's Jilin Province, Nov. 19, 2012. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)

A man rides in snow in Changchun, capital of northeast China's Jilin Province, Nov. 19, 2012. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)

Sanitation workers clean snow in Changchun, capital of northeast China's Jilin Province, Nov. 19, 2012. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)

A man rides in snow in Changchun, capital of northeast China's Jilin Province, Nov. 19, 2012. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)

Photo taken on Nov. 19, 2012 shows a warning board of snow in Changchun, capital of northeast China's Jilin Province. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)

A pedestrian walks in snow in Changchun, capital of northeast China's Jilin Province, Nov. 19, 2012. The local meteorological observatory issued a blue warning for further snowstorms on Monday. (Xinhua/Lin Hong)