world aquatics
A 12-year-old Chinese girl and the eternal question: Wunderkinder are too valuable for the Olympic system to set strict age limits
The example of Yu Zidi, who is competing in the 200-metre medley final at the World Championships in Singapore today, has reignited the debate: how young can a professional athlete be, and how old must they be to compete in major competitions? What constitutes child labour? What should be banned?