A man walks in snow in Xi'an, capital of northwest China's Shaanxi Province, Jan. 3, 2018. A cold front brought a snowfall to most parts of Shaanxi Province on Wednesday. (Xinhua/Shao Rui)
Residents walk in snow in Xi'an, capital of northwest China's Shaanxi Province, Jan. 3, 2018. A cold front brought a snowfall to most parts of Shaanxi Province on Wednesday. (Xinhua/Zhang Bowen)
Residents walk in snow in Xi'an, capital of northwest China's Shaanxi Province, Jan. 3, 2018. A cold front brought a snowfall to most parts of Shaanxi Province on Wednesday. (Xinhua/Shao Rui)
Snow falls in Xi'an, capital of northwest China's Shaanxi Province, Jan. 3, 2018. A cold front brought a snowfall to most parts of Shaanxi Province on Wednesday. (Xinhua/Shao Rui)
People pose for a photo in snow in Xi'an, capital of northwest China's Shaanxi Province, Jan. 3, 2018. Xi'an greeted a snowfall Wednesday. (Xinhua/Zhang Bowen)
Photo taken on Jan. 3, 2018 shows snow scenery of Haibao Park in Yinchuan City, northwest China's Ningxia Hui Autonomous Region. A snowfall hit the city Wednesday. (Xinhua/Wang Peng)
Photo taken on Jan. 3, 2018 shows snow scenery of Haibao Park in Yinchuan City, northwest China's Ningxia Hui Autonomous Region. A snowfall hit the city Wednesday. (Xinhua/Wang Peng)
Photo taken on Jan. 3, 2018 shows snow scenery of Haibao Park in Yinchuan City, northwest China's Ningxia Hui Autonomous Region. A snowfall hit the city Wednesday. (Xinhua/Wang Peng)
People walk on the streets amid snow in Xiangyang City, central China's Hubei Province, Jan. 3, 2018. A cold wave brought the snowfall to several places in China. (Xinhua/An Fubin)
Workers spread snow-melting chemicals on a section of the National Highway 241 in Houping Town of Baokang County, central China's Hubei Province, Jan. 3, 2018. A cold wave brought the snowfall to several places in China. (Xinhua/Chen Quanlin)
Workers from the municipal administration set anti-slip mats in Xiangyang City, central China's Hubei Province, Jan. 3, 2018. A cold wave brought the first snowfall in 2018 to several places in China. (Xinhua/Xie Yong)
Tourists pose for pictures in snow at Kongtong Mountain in Pingliang City, northwest China's Gansu Province, Jan. 3, 2018. A cold wave brought the first snowfall in 2018 to several places in China. (Xinhua/Yang Xin)
People have fun at a park in Dingxi City, northwest China's Gansu Province, Jan. 3, 2018. A cold wave brought the first snowfall in 2018 to several places in China. (Xinhua/Wang Kexian)
People walk along a scenic path in Ningxian County of Qingyang City, northwest China's Gansu Province, Jan. 3, 2018. A cold wave brought the first snowfall in 2018 to several places in China. (Xinhua/Li Gangling)
People ride amid snowfall in Fuyang City, east China's Anhui Province, Jan. 3, 2018. A cold wave brought the first snowfall in 2018 to several places in China. (Xinhua/Dai Wenxue)