Athletes take a look at the back stage during a visit to Jinling Theater at Laomendong, Nanjing, capital city of east China's Jiangsu Province, August 24, 2014. Young athletes are invited by the 2014 Nanjing Youth Olympic Games organizing committee to an traditional opera tour to Jinling Theater where they enjoy performance of traditional Chinese opera, including Beijing opera, Kun opera and so on.[Photo/Shen Peng]