Adam Agee, left, and Barney Villa, both of Boulder, work on fighting techniques during a Wing Chun Kung Fu class at Martial Works in Boulder. For a video, visit dailycamera.com. By Daily Camera ...

Master William Kwok teaches Ip Man’s Wing Chun at Gotham Martial Arts in the upper east side of Manhattan. In 2014, his school was the subject of a documentary special on China Central Television.