Ni Xialian: From Tokyo 1983 to Tokyo 2020

In 1983, Ni Xialian was a 20-year-old Chinese table tennis player. She won gold in the mixed doubles and women's team events at the World Championships in Tokyo. Next year in 2020, she will return to the Japanese capital, as a 57-year-old representing Luxembourg in her fifth Olympic Games. She tells Olympic Channel her story.