HomePeople Biography and filmographyYang Zhichao Biography unavailable on TMDB. Movies (4)TV shows (0) Movies (4) The Weaving of a Dream: Johnnie To's Vision and Craft2016 · Music Ai Weiwei: Never Sorry2012 · Self - Performance Artist (archive footage) Jiayu Pass2000 · Director Planting Grass2000 · Director TV shows (0) No credits available.