Shi Zhixuan (L), a three-year-old face change performer, practises together with her senior fellow He Yuting (R), under the instructions of He Shucheng, known as "the king of face change in Guangxi", in Guilin, a tourist resort in southwest China's Guangxi Zhuang autonomous region, Aug 20, 2012. Face change is a famous skill mostly used in Sichuan Opera to demonstrate sudden changes of the role's emotions. Shi Zhixuan started to learn the skills of changing face half a year ago, and now she has a good command of face changes in four categories.[Photo/Xinhua]