Artists perform during a dress rehearsal of Giacomo Puccini's opera "Tosca" in Beijing, capital of China, May 10, 2011. The version of "Tosca", directed by Giancarlo Del Monaco, is due to premiere in the National Centre for the Performing Arts in Beijing on Thursday. (Xinhua/Li Yan)
Artists perform during a dress rehearsal of Giacomo Puccini's opera "Tosca" in Beijing, capital of China, May 10, 2011. The version of "Tosca", directed by Giancarlo Del Monaco, is due to premiere in National Centre for the Performing Arts in Beijing on Thursday. (Xinhua/Li Yan)
Impresario Lu Jia (C) takes a curtain call with performers after a dress rehearsal of Giacomo Puccini's opera "Tosca" in Beijing, capital of China, May 10, 2011. The version of "Tosca", directed by Giancarlo Del Monaco, is due to premiere in National Centre for the Performing Arts in Beijing on Thursday. (Xinhua/Li Yan)
Artists perform during a dress rehearsal of Giacomo Puccini's opera "Tosca" in Beijing, capital of China, May 10, 2011. The version of "Tosca", directed by Giancarlo Del Monaco, is due to premiere in National Centre for the Performing Arts in Beijing on Thursday. (Xinhua/Li Yan)
