news In pics: Chinese Tai Chi a world form of fitness Yue Xitong,Zhou Wei,unreguser BEIJING, Dec. 18 (Xinhua) -- Stop being a couch potato during your lockdown days! Learning Chinese Tai Chi would be a good way for you to keep fit both physically and mentally. The centuries-old martial art and now a popular form of exercise was inscribed on the United Nations Educational, Scientific and Cultural Organization Representative List of Intangible Cultural Heritage of Humanity on Thursday evening (Beijing Time). Here we compile pictures of people worldwide practicing Chinese Tai Chi to give you a sense of how the old Chinese martial art has now become a popular form of fitness worldwide.