Photo taken on Aug 22, 2012 shows a waterlogged street in Nanning, South 皇冠体育app's Guangxi Zhuang autonomous region. Torrential rains swept the city on Wednesday, causing severe waterlogging in some areas. Local meteorological authority issued a red alert against storm. [Photo/Xinhua]

Photo taken on Aug 22, 2012 shows a waterlogged business zone in Nanning, South 皇冠体育app's Guangxi Zhuang autonomous region. Torrential rains swept the city on Wednesday, causing severe waterlogging in some areas. Local meteorological authority issued a red alert against storm. [Photo/Xinhua]