Gabby Douglas, Simone Biles. 道格拉斯, 拜爾斯

Gymnasts Gabby Douglas and Simone Biles pose for a portrait at the USOC Rio Olympics Shoot. Harry How / Getty Images
Black Olympians to Watch in Rio 2016 Competitions - NBC News
http://www.nbcnews.com/news/nbcblk/black-olympians-watch-rio-2016-competitions-n622401