Skaters perform during the opening ceremony of the ISU World Figure Skating Championships 2015 at Crown Indoor Stadium, Oriental Sports Center in Shanghai, China, on March 25, 2015. (Photo: Xinhua/Wang Lili)

Chinese skaters Shen Xue (R) and Zhao Hongbo perform during the opening ceremony of the ISU World Figure Skating Championships 2015 at Crown Indoor Stadium, Oriental Sports Center in Shanghai, China, on March 25, 2015. (Photo: Xinhua/Wang Lili)