Ask China: How China has changed in sports in the past 70 years?

New China has made countless achievements in sports since its founding in 1949. From the surge in athletes to the development of the sports industry, the country will again be on the world stage when it hosts the Winter Olympics in 2022. So what are some of the most popular sports in China today? This episode of "Ask China" explores the way the rest of the world understands sports in China. And we are taking a trip through time to find answers.