This photo taken on June 26, 2024 shows a flooded riverside sightseeing area in Changsha, central China's Hunan Province. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

An aerial drone photo taken on June 26, 2024 shows the confluence of the Xiangjiang and Liuyang rivers in Changsha, central China's Hunan Province. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

This photo taken on June 26, 2024 shows a safety warning on an embankment in the Changsha section of the Xiangjiang River in Changsha, central China's Hunan Province. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

A staff member inspects an embankment in the Changsha section of the Xiangjiang River in Changsha, central China's Hunan Province, June 26, 2024. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

A garbage removal boat passes by a navigation sign submerged in the Xiangjiang River in Changsha, central China's Hunan Province, June 26, 2024. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

Staff members stay alert for flood warnings near the Xiangjiang River in Changsha, central China's Hunan Province, June 26, 2024. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

An aerial drone photo taken on June 26, 2024 shows a flooded riverside sightseeing area in Changsha, central China's Hunan Province. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)

An aerial drone photo taken on June 26, 2024 shows the confluence of the Xiangjiang and Liuyang rivers in Changsha, central China's Hunan Province. Due to continuous heavy rainfall, water level recorded at the Changsha hydrological observation station reached to 36.75 meters at 1:32 p.m. on Wednesday, 0.75 meters above the alert line. (Xinhua/Chen Zeguo)