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Italy's Federica Pellegrini celebrates after the final of the women's 200m freestyle swimming event at the 2015 FINA World Championships in Kazan on August 5, 2015. AFP PHOTO / CHRISTOPHE SIMON (Photo credit should read CHRISTOPHE SIMON/AFP via Getty Images)

Italy's Federica Pellegrini celebrates after the final of the women's 200m freestyle swimming event at the 2015 FINA World Championships in Kazan on August 5, 2015. AFP PHOTO / CHRISTOPHE SIMON        (Photo credit should read CHRISTOPHE SIMON/AFP via Getty Images)