epa03855460 Ukranian candidate to IOC's Presidency, Sergei Bubka (C) leaves Colon Theatre in Buenos Aires, Argentina, 06 September 2013, after attending the International Olympic Commitee 125th session. The International Olympic Committee (IOC) 125th session on 07 September 2013 chooses the next 2020 Olympic Games host city between Tokyo, Madrid and Istanbul. EPA/Daniel Jayo *** Local Caption *** 03855460.jpg