A teacher (C) demonstrates a movement in yangge dance, an officially recognized national intangible cultural heritage, for her pupils at the Xiaoyanying Primary School in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province. (Photos: Xinhua)

A teacher (R) prepares stage make-up for a pupil attending dressed rehearsal of yangge dance, an officially recognized national intangible cultural heritage, at the Xiaoyanying Primary School in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province.

Pupils of the Xiaoyanying Primary School rehearse yangge dance, an officially recognized national intangible cultural heritage, in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province.

Pupils of the Xiaoyanying Primary School rehearse yangge dance, an officially recognized national intangible cultural heritage, in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province.

Pupils of the Xiaoyanying Primary School rehearse yangge dance, an officially recognized national intangible cultural heritage, in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province.

Pupils of the Xiaoyanying Primary School rehearse yangge dance, an officially recognized national intangible cultural heritage, in Luanzhou City of north China's Hebei Province, Dec. 19, 2019. The Xiaoyanying Primary School introduced yangge dance to its campus several years ago and has invited local performers to teach regular classes on this art widely popular in eastern parts of Hebei Province.