In pics: professional sports and national fitness promote prosperity of sports

Sun Qizhou(R) from Hefei City competes during the 2018 speed roller skating competition for boys in Hefei, east China's Anhui Province, on Oct. 4, 2018. Since the founding of the People's Republic of China, professional sports and national fitness have developed in coordination to jointly promote the prosperity of sports. (Xinhua/Guo Chen)