
Citizens ride on a flooded street in Nanjing, capital of east China's Jiangsu Province, June 10, 2017. Nanjing on Saturday upgraded its "heavy rain" alert to red, the highest in China's four-tier weather warning system. (Xinhua/Lang Congliu)

Citizens ride on a flooded street in Nanjing, capital of east China's Jiangsu Province, June 10, 2017. Nanjing on Saturday upgraded its "heavy rain" alert to red, the highest in China's four-tier weather warning system. (Xinhua/Lang Congliu)