A woman holding a child walks in Haikou, south China's Hainan Province, Dec. 27, 2016. The island will experience a rapid temperature drop from Dec. 27 to 29. (Xinhua/Yang Guanyu)
A woman holding a child walks in Haikou, south China's Hainan Province, Dec. 27, 2016. The island will experience a rapid temperature drop from Dec. 27 to 29. (Xinhua/Yang Guanyu)