Li Jianfang hosts a tai chi class during the 2020 Intangible Cultural Heritage Protection Training in Renze district, Xingtai, Hebei province. Li, 66, a retired official, is the third-generation inheritor of Wang Qihe-style tai chi — a national intangible cultural heritage. Wang Qihe-style tai chi includes two simplified routines with 13 and 24 forms respectively, two traditional routines with 84 …