A woman wades through a flooded street in Hedong District of Tianjin, north China, Aug. 2, 2019. Some roads in downtown Tianjin were flooded, due to the heavy rain on Friday. (Xinhua/Yue Yuewei)

A car wades through a flooded street in Hedong District of Tianjin, north China, Aug. 2, 2019. Some roads in downtown Tianjin were flooded, due to the heavy rain on Friday. (Xinhua/Yue Yuewei)

A car wades through a flooded street in Hedong District of Tianjin, north China, Aug. 2, 2019. Some roads in downtown Tianjin were flooded, due to the heavy rain on Friday. (Xinhua/Yue Yuewei)

People ride on a flooded street in Hedong District of Tianjin, north China, Aug. 2, 2019. Some roads in downtown Tianjin were flooded, due to the heavy rain on Friday. (Xinhua/Yue Yuewei)