2012 Summer Olympics July 2005 during the 117th IOC Session in Singapore, defeating bids from Moscow, New York City, Madrid, and Paris. London became the first city to host the modern Olympics three times, having previously hosted the Summer Games in 1908 and in 1948. Construction for the Games involved considerable redevelopment, with an emphasis on sustainability. The main focus was a new Olympic Park, constructed on a former industrial site at Stratford, East London. The Games also made use of venues that already existed before the bid. The Games received widespread acclaim for their organisation, with the volunteers, the British military and
Bids for the 2014 Summer Youth Olympics 2014 host city was elected during the 2010 IOC session in Vancouver, prior to the 2010 Winter Olympics. This was the first election of a Youth Olympic Games host city held in an IOC Session. The elections for the host cities of the 2010 Summer Youth Olympics and 2012 Winter Youth Olympics were done through postal votes by IOC members. China bid for the 2014 Summer Youth Olympics with the city of Nanjing. Nanjing is located in East Central China along the Yangtze River. The IOC noted Nanjing had "the least risk" of the applicant cities. Poznań bid for the