Dancers from Kharkiv National Academic Opera and Ballet Theater of Ukraine perform an act of "Swan lake" ballet during the 5th China Xinjiang International Folk Dancing Festival in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, July 29, 2017. More than 60 performances by some 20 dance troupes are scheduled in the festival that lasts till August 5, 2017. (Xinhua/Wang Fei)