Photo taken on Dec. 12, 2018 shows frozen mountain flowers at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows a frozen pyracantha fruit at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows frozen plants at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows palm leaves covered with snow and ice at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows a frozen leaf at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows frozen plants at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows frozen plants at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows frozen mountain flowers at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows frozen plants at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

Photo taken on Dec. 12, 2018 shows a frozen wild fruit at Dongmenguan Village of Zhushan Township in Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)