London will host the 2012 Summer Olympic Games, making it the first city to host the modern Olympics three times. The games will be centered in a new Olympic Park constructed in Stratford, east London, and will also use existing venues. London is the capital of the UK and has over 7 million residents, with many tourist attractions centered along the River Thames such as Big Ben, Buckingham Palace, and the London Eye ferris wheel. Transportation includes buses, taxis, trains, and the London Underground subway system.