1. Olympic Preparations

2. Beijing 2008

9. Olympic Village

14. The flower-shaped Olympic Green Tennis Center is meticulously designed for natural ventilation to ensure the quality of the competitions for athletes and spectators.

22. Mayors of Beijing and London

23. London 2012 Aquatics Center

24. London’s Olympics has a budget of £9.3 billion

25. London’s Olympic Park is being built on the site of an old landfill and chemical-industrial complex.

30. ExCeL in London's revitalised Docklands would be home to four seperate arenas, hosting Boxing, Judo, Taekwondo, Table Tennis, Weightlifting and Wrestling.

31. A high-speed Javelin shuttle service will transport 25,000 people an hour from central London to the Olympic Park in just seven minutes.

32. Basketball and Gymnastics

34. 2016 Olympic Bids Chicago, USA Madrid, Spain Rio de Janeiro, Brazil Tokyo, Japan Winner announced Oct. 2, 2009

35. Los Angeles 1932, 1984

36. Barcelona 1992

37. Atlanta 1996

38. Sydney 2000

39. London 2012

40. Atlanta’s Centennial Park