Sandbags are piled up to prevent the water from overflowing on the riverbank of Xiangjiang River in Changsha, capital of central China's Hunan Province, July 4, 2017. Days of torrential rain in Hunan raised the water level of the Xiangjiang River to exceed its warning level. The floods have forced 964,600 local residents to relocate in Hunan. (Xinhua/Long Hongtao)