(240905) -- HAIKOU, Sept. 5, 2024 (Xinhua) -- The closed Dadonghai scenic area is seen in Sanya, south China's Hainan Province, Sept. 5, 2024. The State Flood Control and Drought Relief Headquarters raised its emergency response for flood and typhoon prevention from level III to level II in Guangdong and Hainan provinces at 3 p.m. Thursday, as typ