USA's Allyson Felix celebrates with Bahamas' Shaunae Miller (R) after winning the final of the women's 400 metres athletics event at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing on August 27, 2015. AFP PHOTO / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)
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AFP OLIVIER MORIN