The unusual aspects of the 12-year-old Chinese swimmer's achievements VnExpress Yu Zidi has shaken up the leaderboards at the World Aquatics Championships, raising questions about regulations and physical development.
12-year-old swimmer makes history VnExpress Yu Zidi becomes the youngest swimmer to win a medal at the world championships.
12-year-old Chinese swimmer makes a splash VnExpress Yu Zidi's performance in the 200m individual medley final at the world championships on 28/7 astonished the swimming world.
