Former British Prime Minister Tony Blair (C) visits the Britain Pavilion at the World Expo Park in east China's Shanghai on July 27, 2010. London Tuesday kicked off the two-year countdown to the 2012 Olympic Games at the Britain Pavilion at the Shanghai World Expo, infusing the Expo grounds with the spirit of the Games. [Xinhua]

Former British Prime Minister Tony Blair shakes hands with tourists at the World Expo Park in east China's Shanghai on July 27, 2010. London Tuesday kicked off the two-year countdown to the 2012 Olympic Games at the Britain Pavilion at the Shanghai World Expo, infusing the Expo grounds with the spirit of the Games. [Xinhua]