Citizens practice yoga in Xiajiang County, east China's Jiangxi Province, Aug. 8, 2018, the National Fitness Day. (Photo: Xinhua)

Citizens practice diving on Hanjiang River in Xiangyang, central China's Hubei Province, Aug. 8, 2018, the National Fitness Day. (Photo: Xinhua)

Children practice Taichi at Chengde Mountain Resort in Chengde City, north China's Hebei Province, Aug. 8, 2018, the National Fitness Day. (Photo: Xinhua)

Citizens practice basketball in Lujiang County, east China's Anhui Province, Aug. 8, 2018, the National Fitness Day. (Photo:Xinhua)