A bike rider wades through a flooded road in Nanjing, capital of East China Jiangsu province, June 18, 2011. A heavy downpour hit Nanjing on Friday evening, with a precipitation of more than 50mm. Major roads were immersed by floods, causing travel difficulties for motorists. Local meteorologists sent out an Orange Alert (middle level alert) forecasting possible continuing rain. [Photo/Xinhua]

Motorbikes wade through a flooded road in Nanjing, capital of East China Jiangsu province, June 18, 2011. [Photo/Xinhua]