Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)

Dancers from Russia's Mariinsky Theatre perform ballet Anna Karenina at the Tianjin Grand Theatre in Tianjin, north China, Sept. 30, 2013. The dance is choreographed by Alexei Ratmansky. (Xinhua/Chang Pu)