A Jin opera troupe puts on a performance called Fifteen Strings of Coppers in Baotou, Inner Mongolia autonomous region. Fifteen Strings of Coppers is based on a story written by Zhu Suchen during the Qing Dynasty (1644-1911). Originating from Shanxi province, Jin opera has gained popularity throughout North China, especially in Shanxi province, Inner Mongolia autonomous region and Hebei province. [Photo/Baotou Daily]