Chinese President Hu Jintao attends the closing ceremony of the 2008 Beijing Olympic Games at the "Bird's Nest" National Stadium.

A London bus is driven through the National Stadium during the closing ceremony of the 2008 Beijing Olympic Games.

Flag bearers and Olympic delegations parade into the National Stadium during the closing ceremony of the 2008 Beijing Olympics.

Entertainers perform during the closing ceremony of the 2008 Beijing Olympic Games at the "Bird's Nest" National Stadium.

Fireworks light up the sky during the closing ceremony of the 2008 Beijing Olympic Games.

Chinese policemen guarding outside the "Bird's Nest" National Stadium during the closing ceremony of the 2008 Beijing Olympic Games.

US basketball players celebrate on the podium after winning the men's basketball final 118-107 against Spain, on the final day of the 2008 Beijing Olympics.

A boy visits the Great Wall of China on the final day of the 2008 Olympic Games.

Marathon runners move past Tiananmen Square during the Beijing Olympics men's marathon competition.

Competitors take part in group and individual all-around qualifications of the rhythmic gymnastics in Beijing Olympics.