World's Tai Chi champion Chai Yunlong performs Tai Chi (shadow boxing) at the opening ceremony of the 2nd Beijing Yaji Mountain Tai Chi Festival in Liujiadian town, Pinggu district, Beijing, Aug. 2. Liujiadian town has been famous for its Tai Chi culture and local residents take Tai Chi as their favorite choice for leisure and body building. Tai Chi is practiced by around 150 million people in more than 150 countries and regions. [Photo by Ma Chengyuan]

Local people perform Tai Chi, at the opening ceremony of the 2nd Beijing Yaji Mountain Tai Chi Festival in Liujiadian town, Pinggu district, Beijing, Aug. 2.Liujiadian town has been famous for its Tai Chi culture and local residents take Tai Chi as their favorite choice for leisure and body building. Tai Chi is practiced by around 150 million people in more than 150 countries and regions. [Photo by Ma Pingchuan]

Local people perform Tai Chi, at the opening ceremony of the 2nd Beijing Yaji Mountain Tai Chi Festival in Liujiadian town, Pinggu district, Beijing, Aug. 2. Liujiadian town has been famous for its Tai Chi culture and local residents take Tai Chi as their favorite choice for leisure and body building. Tai Chi is practiced by around 150 million people in more than 150 countries and regions. [Photo by Guo Xiaohong]

The 2nd Beijing Yaji Mountain Tai Chi Festival kicks off in Liujiadian town, Pinggu district, Beijing, Aug. 2. The festival also sees a pageant of local specialties of peaches and peach wood carvings. Liujiadian town has been famous for its Tai Chi culture and local residents take Tai Chi as their favorite choice for leisure and body building.Tai Chi is practiced by around 150 million people in more than 150 countries and regions.[Photo by Ma Pingchuan]