Tourists pose for photos at Lushan Mountain scenic spot in east China's Jiangxi Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China. (Xinhua/Hu Chenhuan)
Tourists pose for photos at Lushan Mountain scenic spot in east China's Jiangxi Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China. (Xinhua/Hu Chenhuan)
A pedestrian is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A pedestrian is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A pedestrian is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A man rides a bicycle in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A pedestrian walks on a road in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A pedestrian is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A pedestrian is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
A vendor is seen in Genhe City, north China's Inner Mongolia Autonomous Region, Jan. 21, 2016. The temperature in the city dropped to minus 47.8 degrees Celsius on Thursday. (Xinhua/Zou Jianpu)
Workers clean snow on the railways in Jiujiang, east China's Jiangxi Province, on Jan. 21, 2016. Jiangxi Meteorological Bureau released blizzard blue warning on Thursday. Nanchang Railway Bureau launched the contingency plan to deal with the bad weather and secure the transportation. (Xinhua/Hu Guolin)
Workers examine trains in the snow in Jiujiang, east China's Jiangxi Province, on Jan. 21, 2016. Jiangxi Meteorological Bureau released blizzard blue warning on Thursday. Nanchang Railway Bureau launched the contingency plan to deal with the bad weather and secure the transportation.(Xinhua/Hu Guolin)
A worker examines trains in the snow in Jiujiang, east China's Jiangxi Province, on Jan. 21, 2016. Jiangxi Meteorological Bureau released blizzard blue warning on Thursday. Nanchang Railway Bureau launched the contingency plan to deal with the bad weather and secure the transportation.(Xinhua/Hu Guolin)
Visitors are rarely seen at a scenic area in Jinan, capital of east China's Shandong Province, Jan. 21, 2016. Jinan Meteorological Bureau issued a yellow alert for a strong cold front on Thursday. Temperature could drop by 12 degrees Celsius with strong wind, since the morning of Jan. 22. (Xinhua/Feng Jie)
A villager walks in snow in Xiaoshan district of Hangzhou, capital of east China's Zhejiang Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China.(Xinhua/Huang Zongzhi)
A villager walks in snow in Xiaoshan district of Hangzhou, capital of east China's Zhejiang Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China.(Xinhua/Huang Zongzhi)
Snow-covered forests are seen in Xiaoshan district of Hangzhou, capital of east China's Zhejiang Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China.(Xinhua/Huang Zongzhi)
A villager walks on a snow-covered road in Xiaoshan district of Hangzhou, capital of east China's Zhejiang Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China.(Xinhua/Huang Zongzhi)
A woman holding a child views snow scene at a balcony in Xiaoshan district of Hangzhou, capital of east China's Zhejiang Province, Jan. 21, 2016. China's National Meteorological Center (NMC) announced a warning Thursday morning for snowstorms in southern China.(Xinhua/Huang Zongzhi)
In Harbin, water transforms into ice as soon as it touches the air. [Photo/Xinhua]