Aerial photo taken on July 9, 2019 shows the Juzizhou Islet in the flooded Xiangjiang River in Changsha, central China's Hunan Province. Hunan hydrology and water resources investigation bureau issued a red alert for flood on Tuesday. As of 3 p.m. Tuesday, the water level of Xiangjiang River in Changsha has exceeded the alert level. The Juzizhou Islet scenic spot, located in Xiangjiang River, has closed for safety. (Xinhua/Li Ga)

Aerial photo taken on July 9, 2019 shows the Juzizhou Islet in the flooded Xiangjiang River in Changsha, central China's Hunan Province. Hunan hydrology and water resources investigation bureau issued a red alert for flood on Tuesday. As of 3 p.m. Tuesday, the water level of Xiangjiang River in Changsha has exceeded the alert level. The Juzizhou Islet scenic spot, located in Xiangjiang River, has closed for safety. (Xinhua/Li Ga)

Two citizens are seen on the bank of Xiangjiang River in Changsha, central China's Hunan Province on July 9, 2019. Hunan hydrology and water resources investigation bureau issued a red alert for flood on Tuesday. As of 3 p.m. Tuesday, the water level of Xiangjiang River in Changsha has exceeded the alert level. The Juzizhou Islet scenic spot, located in Xiangjiang River, has closed for safety. (Xinhua/Li Ga)