A tai chi lover practises tai chi along a lotus pond in Hongze county of Huai'an city, East China's Jiangsu province, Aug 6, 2016. More than 100 tai chi lovers practise tai chi here to greet the National Fitness Day, which falls on Aug 8 every year. [Photo/Xinhua]

Tai chi lovers practise tai chi along a lotus pond in Hongze county of Huai'an city, East China's Jiangsu province, Aug 6, 2016. [Photo/Xinhua]

Tai chi lovers practise tai chi along a lotus pond in Hongze county of Huai'an city, East China's Jiangsu province, Aug 6, 2016. [Photo/Xinhua]

Tai chi lovers practise tai chi in Tancheng county, East China's Shandong province, Aug 6, 2016. A free tai chi class was opened here to promote fitness of local people. [Photo/Xinhua]

Tai chi lovers practise tai chi in Tancheng county, East China's Shandong province, Aug 6, 2016. A free tai chi class was opened here to promote fitness of local people. [Photo/Xinhua]

Source: chinadaily.com.cn