China's Zhang Yufei won the women's 100m butterfly at the swimming world championships in Japan on Monday.
Zhang finished in 56.12sec, ahead of Canadian Olympic champion Maggie MacNeil on 56.45 and American Torri Huske on 56.61.
China's Zhang Yufei won the women's 100m butterfly at the swimming world championships in Japan on Monday.
Zhang finished in 56.12sec, ahead of Canadian Olympic champion Maggie MacNeil on 56.45 and American Torri Huske on 56.61.