Twenty-three top Chinese swimmers tested positive for the same powerful banned substance seven months before the Tokyo Olympics in 2021 but were allowed to escape public scrutiny. https://www.japantimes.co.jp/olympics/2024/04/20/chinese-swimmers-olympics-banned-substance/ #olympics #china #2020tokyoolympics #2024parisolympics #swimming #zhangyufei #shunwang #qinhaiyang #drugs