Travelers visit Zhonghua Gate of the Ming Dynasty city wall on Aug. 13, 2014. The 2nd Summer Youth Olympic Games will kiss off on August 16 in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Yue Yuewei)
Citizens ride along the Ming Dynasty city wall on Aug. 13, 2014. The 2nd Summer Youth Olympic Games will kiss off on August 16 in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Yue Yuewei)
Travelers visit the Zhonghua Gate of the Ming Dynasty city wall on Aug. 13, 2014. The 2nd Summer Youth Olympic Games will kiss off on August 16 in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Yue Yuewei)
A train runs through the Changgan gate of the Ming Dynasty city wall on Aug. 13, 2014. The 2nd Summer Youth Olympic Games will kiss off on August 16 in Nanjing, capital of east China's Jiangsu Province. (Xinhua/Yue Yuewei)
