A boat sails past the Yangtze River Bridge in Wuhan, central China's Hubei Province, Aug. 7, 2020. The water level at Hankou hydrologic station, a crucial point of the Yangtze River, dropped below the warning water level as of 2 a.m. on Friday. Wuhan downgraded the emergency response for flood control in the Yangtze River and riverside areas from Level II to Level III as of Thursday. (Xinhua/Xiao Yijiu)

A boat sails near the Yangtze River Bridge in Wuhan, central China's Hubei Province, Aug. 7, 2020. The water level at Hankou hydrologic station, a crucial point of the Yangtze River, dropped below the warning water level as of 2 a.m. on Friday. Wuhan downgraded the emergency response for flood control in the Yangtze River and riverside areas from Level II to Level III as of Thursday. (Xinhua/Xiao Yijiu)

A boat sails near the Yangtze River Bridge in Wuhan, central China's Hubei Province, Aug. 7, 2020. The water level at Hankou hydrologic station, a crucial point of the Yangtze River, dropped below the warning water level as of 2 a.m. on Friday. Wuhan downgraded the emergency response for flood control in the Yangtze River and riverside areas from Level II to Level III as of Thursday. (Xinhua/Xiao Yijiu)