![Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)](http://www.ecns.cn/hd/2018/09/10/d414adfae94c46a79ce8c1fbcfd91a66.jpg)
Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)
![Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)](http://www.ecns.cn/hd/2018/09/10/d315b0b36cef499c8c4de1dc8b8996c5.jpg)
Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)
![Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)](http://www.ecns.cn/hd/2018/09/10/be36832684f34fd18305de0135a439fb.jpg)
Plants and flowers are covered by frost in Hulun Buir, North China’s Inner Mongolia Autonomous Region, Sept. 9, 2018. A cold front brought sub-zero temperatures to large parts of the city, including temperatures as low as minus 13.3 degrees centigrade in some towns. (Photo/VCG)