Las estrellas olímpicas de Londres 2012
China's flag bearer Yi Jianlian holds the national flag as he leads the contingent in the athletes parade during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium July 27, 2012. (BRITAIN - Tags: SPORT OLYMPICS)
Greece's flag bearer Alexandros Nikolaidis holds the national flag as he leads the contingent in the athletes parade during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium July 27, 2012. (BRITAIN - Tags: OLYMPICS SPORT)
Britain's David Beckham (C) drives a powerboat with the Olympic torch as fireworks are launched over Tower Bridge during the opening ceremony of the London 2012 Olympic Games July 27, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: OLYMPICS SPORT TPX IMAGES OF THE DAY)