The fun of National Fitness Day

August 8 is National Fitness Day in China, but for millions of people here, staying active has already become a daily habit, from sunrise park goers to late-night gyms, from cycling clubs to square dancing and smart fitness apps. So what actually turns exercise from a chore into something you stick with for life? We explore the habits, mindsets, and unexpected motivations that keep people moving long after the new year's resolutions fade. On the show: Steve, Fei Fei & Yushan