Chinese ambassador to Russia Li Hui delivers a speech during a performance staged by Chinese students studying in Russia, at the Chinese Embassy in Moscow, Russia, Jan. 20, 2013. The performance was held here on Sunday in celebration of China's traditional Spring Festival and the upcoming Year of the Snake. (Xinhua/Jiang Kehong)

Chinese students studying in Russia dance during a performance staged at the Chinese Embassy in Moscow, Russia, Jan. 20, 2013. The performance was held here on Sunday in celebration of China's traditional Spring Festival and the upcoming Year of the Snake. (Xinhua/Jiang Kehong)

Chinese students studying in Russia sing a song during a performance staged at the Chinese Embassy in Moscow, Russia, Jan. 20, 2013. The performance was held here on Sunday in celebration of China's traditional Spring Festival and the upcoming Year of the Snake. (Xinhua/Jiang Kehong)

Chinese students studying in Russia play musical instruments during a performance staged at the Chinese Embassy in Moscow, Russia, Jan. 20, 2013. The performance was held here on Sunday in celebration of China's traditional Spring Festival and the upcoming Year of the Snake. (Xinhua/Jiang Kehong)

Chinese students studying in Russia take curtain call and wave hands to audiance during a performance staged at the Chinese Embassy in Moscow, Russia, Jan. 20, 2013. The performance was held here on Sunday in celebration of China's traditional Spring Festival and the upcoming Year of the Snake. (Xinhua/Jiang Kehong)