Residents drain water in Ganjingzi District of Dalian, northeast China's Liaoning Province. Heavy rain hit Dalian from Aug. 2 to Aug. 4. Metrological service of Dalian issued a red alert for flood on Friday. China has a four-tier color-coded weather warning system, with red the most severe, followed by orange, yellow and blue.(Xinhua/Lv Wenzheng)
