A teacher helps a girl wear a headwear of Peking Opera during the cultural tour at the Linggong School, in Nantong, East China’s Jiangsu province, on July 8. [Photo/VCG]

A teacher instructs overseas visitors in Peking Opera performance at the Linggong School, in Nantong, East China’s Jiangsu province, on July 8. [Photo/VCG]