(L to R, front row ) Chinese shooting Olympic champion Pang Wei, table tennis Olympic champions Ma Long and Zhang Jike attend an official ceremony in Beijing, capital of China, July 18, 2016. The Chinese delegation was unveiled here on Monday as 160 men's athletes and 256 women will compete in 210 events over 26 sports at the Games opening on Aug. 5 in Rio de Janeiro. (Xinhua/Zhang Chen)
