File photo taken on Sept. 7, 2013 shows President of the International Olympic Committee (IOC) Jacques Rogge showing the name of the chosen city to host the 2020 Summer Olympics during the 125th IOC session, in Buenos Aires, capital of Argentina. Japanese Prime Minister Shinzo Abe announced on Tuesday that Japan and the International Olympic Committee (IOC) have agreed to postpone the Tokyo Olympic and Paralympic Games by one year. (Xinhua/Martin Zabala)
