Staff members patrol at a dock in Lanzhou section of the Yellow River, northwest China's Gansu Province, July 23, 2018. The Yellow River Flood Control and Drought Relief Headquarters issued a new alert for floods in its upper reaches Monday morning. The water level in the section of Lanzhou, along the Yellow River, has risen rapidly due to heavy rain. A hydrologic station located in Lanzhou recorded a water flow of 2,700 cubic meters per second at 5:00 a.m. Monday morning, and the figure rose to 3,600 cubic meters per second at 8:00 a.m. (Xinhua/Chen Bin)