China's Ding Ning (L) and Liu Shiwen celebrate after defeating Gustin Dwijayanti and Lilis Indriani of Indonesia during the women's doubles second round match at the 2017 World Table Tennis Championships in Dusseldorf, Germany, May 31, 2017. Ding Ning and Liu Shiwen won 4-0. (Xinhua/Tao Xiyi)
