Female tourists in inflatable suits practice xiangpu in the Songcheng Scenic Area in Hangzhou, Zhejiang province, on March 8 to relieve stress and celebrate International Women's Day, which falls on March 8 every year. Xiangpu, or sumo in Japanese, which originated in China and spread to Japan during the Tang Dynasty (618-907), was a national sport during the Song Dynasty (960-1279), according to the authorities at the scenic area. [Photo/China Daily]