A girl is applied a makeup before a training at Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The summer training course was held to attract the public to Chinese traditional performance (AP Photo/Andy Wong).

A girl is applied a makeup before a training at Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The summer training course was held to attract the public to Chinese traditional performance (AP Photo/Andy Wong).

A girl is applied a makeup before a training at Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The summer training course was held to attract the public to Chinese traditional performance (AP Photo/Andy Wong).

Children wearing Peking Opera makeup on their faces, wait for a training at Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance. (AP Photo/Andy Wong)

Face painted school children strike a pose during a training at Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).

Young participants look at a performer during a Peking Opera summer camp organized by the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).

School children strike a pose as they learn Peking Opera during a summer holiday camp organized by the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).

School children led by a lecturer warm up for the Chinese traditional Peking Opera training during a summer holiday camp at the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).

School children strikes pose to learn Chinese traditional Peking Opera during a summer holiday camp at the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).

School children practice a traditional Peking Opera performance during a summer holiday camp at the Peking Opera House in Beijing, China. The two-day summer training course was held to attract the public to the Chinese traditional performance (AP Photo/Andy Wong).