London bid for the 2012 Summer Olympics being selected by the International Olympic Committee (IOC) when put up against other world cities in a competitive bidding process. On 6 July 2005 at its 117th Session in Singapore, the IOC awarded London the right to host the Games of the XXX Olympiad. The city beat the favourite Paris 54 to 50 on the fourth and final ballot. London is the first city to host the Games three times. At the time of the bid, the budget projection was around £2 billion, but it was later estimated that the true cost would be around £9 billion. The project involved
Doha bid for the 2020 Summer Olympics IOC asked Doha to take steps to ensure the health of athletes should Doha be selected,and the IOC was to publish a list of events which must take place in the morning or late afternoon due to the heat that the city experiences. The IOC gave assurances that these changes would not negatively affect the organization of the games or the international broadcasts of the games. The IOC also requested a plan be drawn up to protect the health of the public in attendance and the staff who would help out at the games. IOC President Jacques Rogge said that