Eighteen senior artists from around China performed the classical Kunqu Opera Peony Pavilion at Tianqiao Theatre in Beijing on Dec 13, 2014. These 18 masters are respected as the "national treasure" for their great accomplishments in Kunqu Opera. Most of them are nearly 70 years old, with the eldest Zhang Jiqing 76, and youngest Shi Xiaomei 65. [Photo/Xinhua]