Xiao Guoxun exercises on a rowing machine at a club in Shenzhen, south China's Guangdong Province, April 17, 2019. 33-year-old Xiao Guoxun, an entrepreneur who runs business on healthy food in Shenzhen, insisted in trying a sport after every birthday since his 30. He tried hiking in 2016, running marathon in 2017 and rowing in 2018. He have joined in a rowing club and takes part in rowing training every Tuesday and Thursday. He said rowing requires every member to make concerted efforts to win the game and rowing help him relax from work stress and become more concentrated on things. He believed the progress he made in sports proves that he has the capability to do work better. (Xinhua/Mao Siqian)