International Olympic Committee (IOC) president Thomas Bach arrives at the opening of an Olympic summit on June 21, 2016 in Lausanne.  For Russia's track and field stars, the meeting of Olympic executives may offer the last chance to compete at the Games in Rio de Janeiro. Last week, the International Association of Athletics Federations (IAAF) upheld a ban on Russian athletes, first imposed in November, following revelations of state-sponsored doping and massive corruption riddling the nation's track and field programme. / AFP PHOTO / FABRICE COFFRINI
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