Chen Weiya, chief director of the opening and closing ceremonies of the Nanjing Youth Olympic Games, runs with the Olympic torch on the city wall during the Olympic Torch Relay for the Nanjing Youth Olympic Games in Nanjing, capital of east China's Jiangsu Province, on Aug. 8, 2014. The 2nd Summer Youth Olympic Games will be held in Nanjing on Aug. 16-28. (Xinhua/Li Xiang)