Britain's Catherine, Duchess of Cambridge waits for the beginning of the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium, London, Friday, July 27, 2012. (AP Photo/Toby Melville, Pool)

Tour de France champion Bradley Wiggins ring a bell during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Charlie Riedel)

The Royal Air Force Red Arrows fly over Olympic Stadium before the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Gregory Bull)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Eric Gay)

Performers scales a representation of a smoke stack during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Charlie Riedel)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Morry Gash)

The Olympic rings are illuminated with pyrotechnics as they are raised above the stadium during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

Spectators attend the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Performers gesture towards the Olympic rings as they are elevated from the stadium floor during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

The Olympic rings are lit with pyrotechnics during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Eric Gay)

Performers gather during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David J. Phillip)

Performers gather during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David J. Phillip)

Performers gather during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Bruce Hanselman)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Ivan Sekretarev)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Ivan Sekretarev)

A child jumps on a bed during a performance at the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Performers dance during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. . (AP Photo/Jae C. Hong)

Actors lying on beds meant to represent Britain's National Health Service (NHS) perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

uPerformers play drums during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Fans watch the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Lee Jin-man)

Performers play drums during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Actors dressed as Mary Poppins perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Puppets enacting characters from British literature perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Actors representing Mary Poppins perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Actors enact a performance representing Britain's National Health Service (NHS) during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Actors lying on beds meant to represent Britain's National Health Service (NHS) perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Actors perform in a sequence meant to represent Britain's National Health Service (NHS) perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Morry Gash)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Charlie Riedel)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Charlie Riedel)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Morry Gash)

The Red Arrows fly over London to herald in the Olympic Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

A giant figure stands out during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Paul Sancya)

The President of the International Olympic Committee Jacques Rogge, left, and Britain's Archbishop of Canterbury Rowan Williams, back right, applaud as Britain's Queen Elizabeth II, foreground right, arrives during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Artists perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David J. Phillip)

Actors perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Christophe Ena)

The Olympic rings light up the stadium during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Morry Gash, Pool)

United Nations Secretary General Ban Ki-moon, center, gestures during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

The Olympic rings are illuminated during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

Actor Rowan Atkinson performs during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Britain's Catherine, Duchess of Cambridge, smiles during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge attend the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Queen Elizabeth II, right, and Prime Minister David Cameron arrive for the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/John Stillwell, Pool)

Britain's Queen Elizabeth II, center, the President of the International Olympic Committee Jacques Rogge, left, and Britain's Archbishop of Canterbury Rowan Williams, right, watch the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Dunham)

Britain's Queen Elizabeth II, center, is flanked by Britain's Prince Philip, the Duke of Edinburgh, and IOC President Jacques Rogge, left, as she attends the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Toby Melville, Pool)

Actors perform in a sequence meant to represent Britain's National Health Service (NHS) perform during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

Russia's Maria Sharapova carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Ivan Sekretarev)

Russia's Maria Sharapova carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Queen Elizabeth II, Princess Anne, right, and Prime Minister David Cameron arrive for the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/John Stillwell, Pool)

Spectators play with giant beach balls during the pre-show of the opening ceremonies for the 2012 Summer Olympics Friday, July 27, 2012 in London. (AP Photo/The Canadian Press, Sean Kilpatrick)

Snow Patrol perform at the Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

A man holds a British flag at Trafalgar Square in downtown London during a clock countdown prior to the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Sergey Ponomarev)

Performers dance near the Olympic Stadium during the Opening Ceremony for the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Dmitry Lovetsky)

Spanish athletes pose for a camera operator as they parade during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Jae C. Hong)

Artists perform during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/ Ezra Shaw, Pool)

Finland's Olympic team arrives during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

The speedboat, bottom left, carrying the Olympic Flame, heads to Tower Bridge during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Vadim Ghirda)

An Israeli athlete has his country's flag as a part of his a hairstyle during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

A general view of the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Ezra Shaw, Pool)

French basketball player Tony Parker, right, takes a photograph with handball player Nikola Karabatic during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Julio Cortez)

Bahrain's Azza Al Qasimi carries her country's national flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

The United States team parade during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Ivan Sekretarev)

Cuba's Mijain Lopez Nunez carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

An actor takes flight during a performance at the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Christophe Ena)

Rockets propelled artists perfrom during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Eric Gay)

Performers create a country scene in the pre-show for the opening ceremonies for the 2012 Summer Olympics on Friday, July 27, 2012, in London. (AP Photo/The Canadian Press, Sean Kilpatrick)

Performers create a country scene in the pre-show for the opening ceremonies for the 2012 Summer Olympics Friday, July 27, 2012 in London. (AP Photo/The Canadian Press, Sean Kilpatrick)

Mexico's Maria del Rosario Espinoza carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Britain's Queen Elizabeth II declares games opened during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Toby Melville, Pool)

Britain's Queen Elizabeth II declares games opened during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Toby Melville, Pool)

Fencer Mariel Zagunis leads Team USA into the stadium during the Opening Ceremony for the 2012 Olympic Summer Games, Friday, July 27, 2012, in London. (AP Photo/The Canadian Press, Sean Kilpatrick)

France's Laura Flessel-Colovic carries the national flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Jamaica's Usain Bolt carries his countryis flag during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Toby Melville, Pool)

Fireworks light up Tower Bridge during the Opening Ceremony of the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Alastair Grant)

Professional basketball player LeBron James takes pictures with the United States' Olympic team during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

Serbia's Novak Djokovic carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

South Africa's Oscar Pistorius left, smiles during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Former Prime Minister Tony Blair attends the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/John Stillwell, Pool)

Mexico's Maria del Rosario Espinoza carries the national flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Duran Duran perform at the Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

Duran Duran perform at the Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

In a photo taken with a fisheye lens fireworks explode over the stadium at the end of the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Saturday, July 28, 2012. (AP Photo/ Ezra Shaw, Pool)

Snow Patrol perform at the Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

Danny Boyle, the director of the London 2012 Olympic Games, adjusts his glasses during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Saturday, July 28, 2012. (AP Photo/Toby Melville, Pool)

Saudi Arabian athletes walk in a parade during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Mark Humphrey)

Serbia's Novak Djokovic carries the flag during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/David Goldman)

Germany's Olympic team arrives during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Matt Slocum)

Paul McCartney performs Hey Jude at the end of the opening ceremonies for the 2012 Summer Olympics Saturday, July 28, 2012 in London. (AP Photo/The Canadian Press, Sean Kilpatrick)

Queen Elizabeth II, Princess Anne, right, and Prime Minister David Cameron arrive for the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/John Stillwell, Pool)

Jasmin Farah Hassan of Djibouti walks with her team to the Olympic Stadium for the Opening Ceremony of the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Dmitry Lovetsky)

Duran Duran perform at the Opening Ceremony Celebration Concert in Hyde Park, London, Friday, July 27, 2012. The concert is part of a series of events being organised by the Mayor of London, Boris Johnson, to celebrate the London 2012 Olympic Games. (AP Photo/James McCauley)

The Olympic flag is carried by Daniel Barenboim, Sally Becker, Shami Chakrabati CBE, Leymah Gbowee, Haile Gebrselassie, Doreen Lawrence OBE, Ban Ki-moon and Marina Silva during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Saturday, July 28, 2012. (AP Photo/Ezra Shaw, Pool)

An athlete from Mexico's Olympic team poses with performers near the Olympic Stadium during the Opening Ceremony for the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Dmitry Lovetsky)

Fireworks light up the Olympic Stadium during the Opening Ceremony for the 2012 Summer Olympics, Saturday, July 28, 2012, in London. (AP Photo/ Owen Humphreys, Pool)

A person dressed as Queen Elizabeth II parachutes into the Olympic stadium during the Opening Ceremony of the 2012 Olympic Summer Games at the Olympic Stadium in London, Friday, July 27, 2012. (AP Photo/Ezra Shaw, Getty)

The iconic Tower Bridge over the River Thames in central London, decorated with Olympic rings, is seen in this zoom exposure, during the Opening Ceremony at the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Vadim Ghirda)

A speedboat, carrying the Olympic Flame approaches the iconic Tower Bridge during the Opening Ceremony for the 2012 Summer Olympics, Friday, July 27, 2012, in London. (AP Photo/Lefteris Pitarakis)

Animals and actors enter the stadium for the British meadow scene prior the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. AFP PHOTO / FRANCK FIFE

Animals and actors enter the stadium for the British meadow scene prior the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. AFP PHOTO / FRANCK FIFE

London's Mayor Boris Johnson (R) waits with his wife Marina Wheeler (L) prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic Stadium in London. AFP PHOTO / ODD ANDERSEN

Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

General Secretary of the UN Ban Ki-moon takes a picture prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic Stadium in London. AFP PHOTO / ODD ANDERSEN

An actress waits for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

A fake cloud, part of the British meadow scene flies prior the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. AFP PHOTO / FRANCK FIFE

Photo taken on July 27, 2012 shows a general view of the Olympic stadium in London prior to the start of the opening ceremony of the London 2012 Olympic Games. AFP PHOTO / GABRIEL BOUYS

Aerial view shows the Olympic Stadium before the opening ceremony of the London 2012 Olympic Games on July 27, 2012. AFP PHOTO / ALBERTO PIZZOLI

The Red Arrows fly over the Olympic Stadium prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 in London. AFP PHOTO / ADRIAN DENNIS

PICTURE TAKEN WITH A ROBOTIC CAMERA General view taken moments before the start of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / FRANCOIS-XAVIER MARIT

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / ANTONIN THUILLIER

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / ANTONIN THUILLIER

Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

Members of the crowd push a giant ballon prior to the start of the opening ceremony of the London 2012 Olympic Games in the Olympic Stadium in London on July 27, 2012. AFP PHOTO / CHRISTOPHE SIMON

PICTURE TAKEN WITH A ROBOTIC CAMERA Spectators wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / ANTONIN THUILLIER

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors and spectators wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / ANTONIN THUILLIER

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / ANTONIN THUILLIER

Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / SAEED KHAN

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / FRANCOIS-XAVIER MARIT

PICTURE TAKEN WITH A ROBOTIC CAMERA Actors wait for the beginning of the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. AFP PHOTO / FRANCOIS-XAVIER MARIT

Britain's Olympic sailing champion champion Ben Ainslie poses with fans on Weymouth beach as the sailing venue prepares to celebrate the opening ceremony of the London 2012 Olympic Games, in Weymouth on July 27, 2012. AFP PHOTO/William WEST

The Red Arrows make a flypast over the Olympic Stadium ahead of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 in London. AFP PHOTO / POOL / JOHN STILLWELL

US presidential hopeful Mitt Romney (L) talks to his wife Ann prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic Stadium in London. AFP PHOTO / ODD ANDERSEN

Former Ukrainian pole vaulter Sergey Bubka waits prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic Stadium in London. AFP PHOTO / ODD ANDERSEN

An artist plays badmington prior to the start of the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. AFP PHOTO / GABRIEL BOUYS