Nigerian teacher Ikwunagu Sunny Amaechi has been living in China for almost 20 years. Some years ago, he took up jogging and started noticing that more and more people were doing physical activities in Loudi, the city he lives in.

　　Whether it was the young people on basketball courts or the elders participating in square dancing, it seems that everyone had found a form of exercise.

　　Why are more people starting to do physical activities? Where does their passion come from? Follow Sunny to find out more.