Liu Guoliang (刘国梁) gives comments in Chinese Trials 2017 for WTTC Table Tennis
https://www.youtube.com/watch?v=FbEYqTZjg7E
Chinese Trial 2017 | Why Zhou Yu (周雨) screamed so much?
https://www.youtube.com/watch?v=tFVFZ2yxZng
Best of Zhou Yu [Chinese Trials 2017]...