Behind every great man is a great-grandmother, whose philosophy is you're never too old to learn.
원문출처 : http://www.cnn.com/2016/08/15/sport/news-rio-olympics-van-niekerk-grandma-coach/index.html
원문출처 : http://www.cnn.com/2016/08/15/sport/news-rio-olympics-van-niekerk-grandma-coach/index.html