Tourists visit the snow-covered Shenyang Imperial Palace on the morning of Feb 23. A heavy snow blanketed Shenyang on the evening of Feb 22, leaving heavy snow covering most of the city which is located in Northeast China. [Photo/Xinhua]

Sanitation workers sweep snow-covered roads on Feb 23. A heavy snow blanketed Shenyang on the evening of Feb 22, leaving heavy snow covering most of the city which is located in Northeast China. [Photo/Xinhua]