Little amateur performers of Peking Opera perform in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

Little amateur performers of Peking Opera perform in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

A little amateur performer of Peking Opera performs in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

Li Yunruo (1st R), a little amateur performer of Peking Opera, waits for his performance in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

A little amateur performer of Peking Opera performs in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

A little amateur performer of Peking Opera drinks water backstage in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

Wang Ai'er, a little amateur performer of Peking Opera, waits for his performance backstage in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

Cao Wenjing (R), a little amateur performer of Peking Opera, prepares for her performance in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

A little amateur performer of Peking Opera is applied with makeup before his performance in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)

Wang Zhengran, a little amateur performer of Peking Opera, waits for her performance backstage in Tianjin, north China, Aug. 12, 2013. Little amateur performers of Peking Opera attending a national competition staged a performance here on Monday evening. (Xinhua/Liu Dongyue)