

The royal barge Gloriana carries the Olympic flame in a cauldron on board, as it passes near the Houses of the Parliament in London, as it makes its way along the river Thames into central London on the final day of the Torch Relay, Friday, July 27, 2012. Emilio Morenatti/AP
Jennet Saryyeva of Turkmenistan puts on her goggles during a practice session at the Aquatics Centre in the Olympic Park ahead of the 2012 Summer Olympics, Friday, July 27, 2012, in London. Daniel Ochoa De Olza/AP
A competitor dives during a practice session at the Aquatics Centre in the Olympic Park ahead of the 2012 Summer Olympics in London, Friday, July 27, 2012. Mark J. Terrill/AP
Qatar's Aia Mohamed trains before the London 2012 Olympic Games at ExCel venue in London July 27, 2012. Grigory Dukor/Reuters
Jessica Hardy of the U.S. kisses her boyfriend Dominik Meichtry of Switzerland during a training session at the Aquatics Centre before the start of the London 2012 Olympic Games July 27, 2012. Toby Melville/Reuters
First lady Michelle Obama hugs basketball player Tamika Catchings after speaking during a breakfast with Team USA at the 2012 Summer Olympics, Friday, July 27, 2012, in London. Darron Cummings/AP
Children play during a 'Let's Move!' event for about 1,000 American military children and American and British students at the U.S. ambassador's residence in London, ahead of the 2012 Summer Olympics, Friday, July 27, 2012. Lefteris Pitarakis/AP
New Zealand's Hamish Bond (front) and Eric Murray, competing in the men's pair rowing event, pull their boat from the water following a training session ahead of the London 2012 Olympic Games at Eton Dorney, west of London July 27, 2012. Darren Whiteside/Reuters
India's Jayanta Talukdar takes aim during the men's archery individual ranking round of the London 2012 Olympics Games at the Lords Cricket Ground in London July 27, 2012. Suhaib Salem/Reuters
Volleyball players go for the ball during an exhibition match at Earls Court, site of the Olympic men's and women's volleyball competition, before the start of the 2012 Summer Olympics, Friday, July 27, 2012, in London. Chris O'Meara/AP
Ecuador's Jorge David Arroyo Valdez rubs chalk on his hands at the ExCel venue before the London 2012 Olympic Games in London July 27, 2012. Dominic Ebenbichler/Reuters
Japan's coach Norio Sasaki (l.) watches his women's soccer team members practice during a training session at the London 2012 Olympic Games in Coventry July 27, 2012. Alessandro Garofalo/Reuters
Canadian swimmer Brent Hayden does kicking drill during a training session for the London 2012 Olympics in London, Friday July 27, 2012. Frank Gunn/The Canadian Press/AP
Cullen Jones of the United States swims during a practice session at the Aquatics Centre in the Olympic Park ahead of the 2012 Summer Olympics, Friday, July 27, 2012, in London. Matt Slocum/AP
Guatemala's Sergio Sanchez Gomez (r.) warms up alongside other competitors, for the pre-event training session in the men's 10-meter air pistol, on the eve of the event, at the 2012 Summer Olympics, Friday, July 27, 2012, in London. Rebecca Blackwell/AP
Mexico's Alejandra Orozco Loza and Paola Espinosa Sanchez attend a training session for the women's synchronised 10m platform diving at the Aquatics Centre before the start of the London 2012 Olympic Games July 27, 2012. Jorge Silva/Reuters
Britain's Prime Minister David Cameron greets Olympic torch bearer Florence Rowe after she received the flame on Downing Street in London July 26. Cathal McNaughton/Reuters
Table tennis player Sarah Hanffou Nana of Cameroon visits the salon at the Olympic Village July 26 in London. Alexander Hassenstein/AP
A journalist wears her Olympic pins July 26 in London. Ng Han Guan/AP
Kim Bui of Germany attends a gymnastics training session at the North Greenwich Arena in London July 26. Mike Blake/Reuters
Volleyball players Gozde Kirdar Sonsirma (l.) and Ozge Kirdar Cemberci of Turkey write messages of support as athletes arrive at the Olympic Village during a welcome ceremony at Olympic Park July 26 in London. Alexander Hassenstein/AP
Taxis drive slowly in protest across Tower Bridge in London on July 23, 2012. The traditional London taxis were holding a protest against not being allowed to drive in the Olympic Lanes once they come into force on July 25. Kirsty Wigglesworth/AP
David Schroeder (r.) and Frank Henze of Germany train for the men's C2 canoe slalom at the Lee Valley White Water Center July 26 in London. Victor Caivano/AP
The South Korean flag is displayed beside North Korean soccer player Song Hui Kim before the start of the women's Olympic soccer match between North Korea and Colombia at the London 2012 Olympic Games in Hampden Park, Glasgow, Scotland, July 25. A major diplomatic incident marred the first day of competition when the North Korea women's football team walked off after the South Korean flag was mistakenly displayed before their match. James Crossan/Reuters
Nick Darcy (l.) of Australia and Clark Burckle of the US attend a training session at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London on July 25, 2012. Tim Wimborne/Reuters
A photo taken using multiple exposures shows gymnast Valeriia Maksiuta of Israel in a training session at the O2 Arena before the start of the London 2012 Olympic Games July 26. Brian Snyder/Reuters
Brazil's Marta (r.) jumps over Cameroon's Annette Ngo Ndom during their women's Group E football match at the London 2012 Olympic Games in the Millennium Stadium in Cardiff July 25, 2012. Francois Lenoir/Reuters
New Zealand's goalie Jenny Bindon (c.) punches the ball over Britain's Stephanie Houghton (l.) during the women's group E soccer match between Great Britain and New Zealand, at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Wednesday, July 25, 2012, in Cardiff. Luca Bruno/AP
US tennis Olympian Venus Williams trains at the All England Lawn Tennis Club in London July 26. Stefan Wermuth/Reuters
Workers put the finishing touches on the House of Flags display at Parliament Square in London July 26. More than 200 panels represent the countries participating in the London Games. Eric Gay/AP
Alex Morgan (13) of the US celebrates with team mate Megan Rapinoe (top) after scoring a goal against France during their women's Group G football match at the London 2012 Olympic Games at Hampden Park in Glasgow, Scotland July 25, 2012. The US beat France 4-2. David Moir/Reuters
Sweden's Linda Sembrant (2) and Hedvig Lindahl (c.) fight for the ball with South Africa's Portia Modise (bottom c.) and Noko Matlou (11) during their women's Group F football match at the London 2012 Olympic Games in Coventry July 25, 2012. Alessandro Garofalo/Reuters
The South Korean men's cycling team trains July 26 in London. Sergey Ponomarev/AP
Britain's Stephanie Houghton, center, celebrates after scoring with her teammates from (l.- r.) Kelly Smith, Eniola Aluko, and Ifeoma Dieke during the women's group E soccer match between Great Britain and New Zealand, at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Wednesday, July 25, 2012, in Cardiff. Luca Bruno/AP
A tattoo of the Olympic rings is seen on the shoulder of Illya Kvasha of the Ukraine during a diving practice session at the Aquatics Center at Olympic Park in London July 26. Matt Slocum/AP
Torchbearer Ade Adepitan carries the Olympic Flame on Millennium Bridge during Day 69 of the Olympic Torch Relay July 26, in London. Chris Radburn/LOCOG/AP
Britain's Jill Scott (l.) challenges for the ball with New Zealand's Katie Hoyle during the women's group E soccer match between Great Britain and New Zealand, at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Wednesday, July 25, 2012, in Cardiff. Luca Bruno/AP
Great Britain's William Fox-Pitt rides his horse Lionheart during a training exercise for the equestrian event competition July 26 in London. David Goldman/AP
Volunteers arrive at Greenwich Park, the site for the equestrian and modern pentathlon events at the 2012 Summer Olympics, Wednesday, July 25, 2012, in London. Markus Schreiber/AP
Romania's Daniela Dodean looks at the ball as she serves during a table tennis practice session at the ExCel venue before the start of the Olympic Games July 26. Dominic Ebenbichler/Reuters
Sebastian Coe, chair of the London Olympic organizing committee, signs his name on a Truce Wall at a ceremony in the Olympic Park in Stratford, east London on July 23, 2012. President of the IOC, Jacques Rogge, paid tribute to the 11 Israeli team members who were killed at the 1972 Munich Games at a ceremony at the Athletes Village in London on Monday. A minute's silence was observed following Rogge's comments. Toby Melville/Reuters
English Springer Spaniel Connie, an explosives detection canine, listens to a command by her handler, British Transport Police constable Taff Evans, outside a train station near Olympic Park July 26 in London. Charles Krupa/AP
Performers welcome members of the Brazilian Olympic Squad during a ceremony at the Athletes' Village in London on July 23, 2012. Neil Hall/Reuters
A cheerleader practices a stunt for a Cheer Team GB routine by the Queen Victoria Memorial at Buckingham Palace in central London on July 22, 2012. Olivia Harris/Reuters
New Zealand's Anita Punt dives to take the ball as Belgium's players challenge during their practice field hockey match in Riverbank Arena July 26 in London. Eranga Jayawardena/AP
An Australian gymnast performs on the uneven bars during training July 26 in London. Gregory Bull/AP
Children take photos of performers with their mobile phones as members of Ghana's Olympic squad arrive in the Athletes Village at the Olympic Park in London on July 24, 2012. Neil Hall/Reuters
US shooting athlete Matt Emmons (c.) trains for the 10-meter air rifle event at the Royal Artillery Barracks July 26 in London. Rebecca Blackwell/AP
Australian street artist James Cochran spray paints a portrait of Usain Bolt, Jamaica's world record holder in the 100 and 200 meter sprints, on the wall of a building beside a car park in east London, July 20, 2012. Matt Dunham/AP
A view of the Tower Bridge is seen as it is lit up to celebrate the Olympics in London on July 21, 2012. Neil Hall/Reuters
Japan's Kentaro Asahi takes part in a practice session at the Olympic beach volleyball main court at the Horse Guards Parade in London on July 25, 2012. Marcelo Del Pozo/Reuters
Performers in the Green and Pleasant Land section of the London 2012 Olympic opening ceremony pose for a photograph on their way to a dress rehearsal in the Olympic Park in east London on July 20, 2012. Olivia Harris/Reuters
A member of police staff stands in front of CCTV screens in London's Metropolitan Police Service Special Operations Room in central London, July 19, 2012. The room will be the police control room for the Olympic Games in the capital and is equipped with technology essential to the smooth running of the policing operation. Matt Dunham/AP
World Heritage site Stonehenge is illuminated during an elemental Fire Garden display, which is part of the London 2012 Festival, in Salisbury, southern England, July 10. The London 2012 Festival is a cultural celebration across Britain to coincide with the Olympics. Kieran Doherty/Reuters
Women look at a metal structure filled with fire pots during the London 2012 Festival in Salisbury, southern England, July 10 Kieran Doherty/Reuters
Torchbearer Sarah Winckless carries the Olympic Flame at the Olympic Rowing Venue, Eton Dorney, England on the Torch Relay leg on Eton Dorney Lake, Tuesday, July 10. Gareth Fuller/AP
A workman walks across Court 10 as Olympic hoarding is erected at the All England Lawn Tennis Club (AELTC) as preparations are made for the London 2012 Olympic Games, in London on July 9. Ki Price/Reuters
A Lithuanian fan rests on his drum during the 2012 FIBA Olympic qualifying basketball tournament against Dominican Republic in Caracas, Venezuela, July 7. Carlos Garcia Rawlins/Reuters
Commuters walk across London Bridge as Tower Bridge, adorned with the Olympic rings, is seen behind them on a wet summer's morning in central London on July 6. Andrew Winning/Reuters
A work titled 'untitled [1]' by Nicholas Cobb from his 2010 'From The Car Park' series is seen in an image made available in London on July 4. Nicholas Cobb/Handout/Reuters
A vehicle passes a newly painted Games lane marking along the Olympic Route Network in central London, July 1, 2012. Paul Hackett/Reuters
The Olympic rings are illuminated while suspended from Tower Bridge, near the HMS Belfast museum warship, as organizers marked one month to go until the London 2012 Olympic Games in London on June 27, 2012. The London 2012 Olympics run from July 27 to August 12. Chris Helgren/Reuters
Kuwaiti Shooter Mariam Erzouqi, 24, poses as she takes aim during practice at the Kuwait Sheikh Sabah Al-Ahmad Olympic Shooting Complex in Kuwait, May 26, 2012. Stephanie McGehee/Reuters
US marathon runner Meb Keflezighi trains for the London 2012 Olympics in Mammoth Lakes, Calif., May 30. Olympic silver medalist Keflezighi, 37, is the oldest American ever to qualify for the Olympic marathon. He trains at an altitude of around 9,000 feet in Mammoth to increase his red blood cells and boost his endurance. Lucy Nicholson/Reuters
Haiti's Linouse Desravines, 21, the country's only qualifying judo competitor in the 2012 London Olympics, trains by jumping over other judokas in Port-au-Prince May 31, 2012. Desravines, who won a bronze medal in the 2011 Pan American Games, will compete in the 52 kg category in this Olympiad. Swoan Parker/Reuters
Claressa Shields, foreground, is embraced by her trainer, Jason Crutchfield, as family and friends comfort her after she become emotional upon her return to Flint, Mich., Monday, May 21, 2012. Shields has earned a shot to box for gold at the London Games. Ryan Garza//The Flint Journal/AP
Somali athletes run along a street in Hodan district as they train during preparations for the 2012 London Olympic Games in Somalia's capital Mogadishu in this March 14, 2012 file photo. Feisal Omar/Reuters
Jordanian weightlifter Fatimah Al Awali trains in Amman, June 4, 2012, in preparation for the 2012 London Paralympic Games. Ali Jarekji/Reuters
Rohullah Nikpai (l.) trains inside a taekwondo club in Kabul February 15, 2012. In a country wrenched by decades of war, perhaps it is no surprise that three Afghan athletes going to the London summer Olympic, a taekwondo male duo including Beijing bronze medallist Nikpai, and teenage female boxer Sadaf Rahimi, followed fighting sports. Omar Sobhani/Reuters
Turkish Olympic gymnast Goksu Uctas (r.) trains for the London 2012 Olympics at Murat Canbas sports hall in Bolu, western Turkey, May 29, 2012. Murad Sezer/Reuters
Cuba's Dayron Robles competes in the men's 110m hurdles final of a local athletics competition at the Pan American Stadium in Havana, May 27, 2012. Robles, the current world record holder in the event and gold medalist in the Beijing Olympics, told Reuters that he will retire after the 2012 Games in London. Desmond Boylan/Reuters
An unidentified competitor is silhouetted as he performs in the men's pole vault competition during the British Universities and Colleges Sport Athletics Championship (BUCS) at the Olympic Stadium in the Olympic Park in London, May 5, 2012. Matt Dunham/AP
Japanese professional keirin cyclist Kazunari Watanabe, whose home town of Futaba is within the 20-km (12-mile) exclusion zone around the tsunami-crippled Fukushima Daiichi nuclear plant, sits during an interview with Reuters before a training session for the London Olympics in Izu, Shizuoka prefecture June 12, 2012. Toru Hanai/Reuters
Olympic fencer Nicole Ross, 23, trains at the New York Fencers Club in New York City, April 24, 2012. Mike Segar/Reuters
Athlete Claudia Balderrama, 28, of Bolivia is seen after a training session over 5000 meters (16404 feet) above sea level in Chacaltaya some 30 km (19 miles) off La Paz, May 26, 2012. David Mercado/Reuters
In this March 8, 2012 photo, Britain's Queen Elizabeth II and Catherine, Duchess of Cambridge watch a fashion show at De Montfort University in Leicester, England. Queen Elizabeth is a potential leading candidate to light the cauldron for the London 2012 Olympics but it could also be a member of her family. Oli Scarff/AP
British and Argentine players chase the ball during the women's International Invitational Hockey Tournament at the Riverbank Arena inside the Olympic Park in London May 5, 2012. Dylan Martinez/Reuters
The sign at Lands End is seen with an Olympic Torch Relay directional marker, in Cornwall, south west England May 18, 2012. The London 2012 Olympic Torch relay in Britain will start from Lands End on May 19. Toby Melville /Reuters
Britain's Princess Anne raises a torch with the Olympic Flame next to Spyros Kapralos, head of the Greek Olympic Committee, during an Olympic flame handover ceremony at the all-marble Panathenaic stadium in Athens May 17, 2012. Greece formally handed over the Olympic flame to a London delegation led by Princess Anne on May 17 at the Panathenaic stadium where the first modern Games were held in 1896. Yiorgos Karahalis/Reuters
Runners cross the finish line during a men's 100m heat at the BUCS Outdoor Athletics Championships at the Olympic Stadium in London May 4, 2012. Toby Melville /Reuters
A soldier runs past a Rapier missile defense battery deployed at Blackheath Common in London May 3, 2012. Air defense missile systems have been deployed at six sites in London during operation 'Exercise Olympic Guardian,' aimed at testing security for the London 2012 Olympics. Stefan Wermuth/Reuters
A priestess releases a bird, a symbol of peace, in the final dress rehearsal for the lighting of the Olympic flame held on Wednesday May 9, 2012, in Ancient Olympia, Greece. The flame to be lit in Thursday's ceremony will travel to London, where the Summer Games will take place from July 27-Aug. 12. Kostas Tsironis/AP
A high priestess, lights the Olympic flame using a concave mirror to concentrate the sun's rays. Kostas Tsironis/AP
An athlete takes part in the BUCS Outdoor Athletics Championships at the Olympic Stadium in London May 5, 2012. Paul Hackett/Reuters
A crew member keeps watch as HMS Ocean sails into London May 4, 2012. HMS Ocean was deployed on the River Thames on Friday during military exercises aimed at testing security for the London 2012 Olympics. /Luke MacGregor/Reuters
A fan draped in a union flag makes her way past the Olympic Stadium inside the Olympic Park in London May 6, 2012. Dylan Martinez/Reuters
Phyllis Broadbent, the Pearly Queen of Islington (r.), kisses her Pearly King, Jim Broadbent, Pearly King of Islington, outside the Carpenters Arms pub before the annual crowning of a new generation of Pearly Kings and Queens in east London May 6, 2012. The pub in Bethnal Green hosted the largest crowning of Pearly Kings and Queens in 100 years, local media reported. Olivia Harris/Reuters
The Chair of the London Organising Committee of the Olympic and Paralympic Games (LOCOG) Sebastian Coe and local resident Niamh Clarke-Willis aged nine, press a button to officially open the Olympic Stadium inside the Olympic Park in London May 5, 2012. Dylan Martinez/Reuters
A police officer stands guard under the shadow of the Orbit Tower inside the Olympic Park in London May 4, 2012. Dylan Martinez/Reuters
Torchbearer Sarah Blight holds onto her torch at Penzance in Cornwall, south west England May 19, 2012. She was one of 8000 runners participating in the Olympic Torch Relay which will cover over 8000 miles throughout Britain, Northern Ireland and Ireland over the next ten weeks before the London 2012 Olympics. Toby Melville /Reuters
Spectators watch as a torchbearer runs in the Olympic Torch Relay in Plymouth, south west England May 20, 2012. Toby Melville /Reuters
Young girls are seen in the crowd as they watch Britain play South Korea during the women's International Invitational Hockey Tournament at the Riverbank Arena on the Olympic Park in London May 2, 2012. Eddie Keogh /Reuters
A technician holds a newly-struck silver medal for the 2012 London Paralympic Games at the Royal Mint in Llantrisant, Wales May 1, 2012. Reuters
South Korea's Park Seon-mi challenges Argentina's Carla Rebecchi (r.) during the women's International Invitational Hockey Tournament at the Riverbank Arena on the Olympic Park in London May 3, 2012. Eddie Keogh/Reuters
West End theater workers and performers dance in front of the Olympic countdown clock to mark the 100-day countdown, in Trafalgar Square, central London, April 18, 2012. John Stillwell/AP
People pass by an artwork painted on a wall in East London depicting the Olympic rings which was created by a street art organization called 'The Toasters' on April 18, 2012. Kevin Coombs /Reuters
A male South America Harris Hawk employed by Westminster Council to scare the pigeons away from London's Trafalgar Square flies off the London 2012 Olympic countdown clock in the square, May 1, 2012. Pigeons are considered a major pest in the iconic square. Alastair Grant/AP
A police officer keeps watch in Westminster near the London 2012 beach volleyball venue, in London, March 28, 2012. Britain's spy agencies and police have planned for a dizzying array of security nightmares surrounding the Olympics such as a coordinated terror attack, a dirty bomb, a cyberattack and hoaxes designed to scatter personnel. Kirsty Wigglesworth/AP
General view of a gated residential flats in Bow, east London, where the Ministry of Defense have warned residents that surface-to-air missiles could be stationed on their rooftops during the London Olympics on April 29, 2012. Sang Tan/AP
Britain performs during the Teams Technical Routine during a synchronized swimming qualification event at the Aquatic Center at Olympic Park in Stratford, east London, April 19, 2012. Toby Melville/Reuters
A technician works on a Royal Air Force Typhoon jet, one of four which arrived to take part in defense exercises in advance of the London 2012 Olympic Games, at RAF Northolt in west London on May 2, 2012. Paul Hackett/Reuters
The recently completed 250 meter giant titanium leaf shaped sculpture 'The Shoal' stands outside an entrance to the 1970's constructed Stratford Centre shopping complex, near the Olympic Park in east London, April 27, 2012. Matt Dunham/AP
Cleaners, known as fluffers, work in Highbury and Islington station in London on March 30, 2012. Transport for London (TfL), which is responsible for the majority of London's transport system, including the London Underground, expects to see an additional 500,000 passengers on the tube during the Olympics. Dylan Martinez/Reuters
This April 16, 2012 photo shows an aerial view of the Olympic Aquatics Centre. Courtesy of LOCOG/AP
A worker sands the logo on a part-made London 2012 Olympic Games torch at the Premier Group Factory in Coventry, central England, April 23, 2012. Darren Staples/Reuters
South Korea's goalkeeper Moon Younghui saves a penalty from Argentina's Silvina D'Elia (unseen) during the women's International Invitational Hockey Tournament at the Riverbank Arena on the Olympic Park in London on May 3, 2012. Eddie Keogh /Reuters
A woman waits behind a counter at the Griddlers Cafe, close to the London 2012 Olympics Games site on the Regent's Canal in east London on March 19, 2012. The nine-mile Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes and bypasses the site of London 2012 Olympic Games before ending in Limehouse Basin. Stefan Wermuth/Reuters
A sign is seen at the Greyhound pub in east London on February 2, 2012. The pub is one of many traditional east end pubs that are situated within a mile of the Olympic Park where the 2012 Olympic Games will take place this summer. Eddie Keogh/Reuters
A worker poses for a photograph with crowd control chairs for officials for the London 2012 Olympics in the UPS warehouse in Tilbury, southern England, February 27, 2012. Olivia Harris/Reuters
This March, 16, 2012 photo shows a reception room with baby grand piano and large desk in one of the five bedroom luxury penthouse apartments overlooking Hyde Park, London, available for hire during the London 2012 Olympics for some 11,000 British pounds (US$17,600) a night - and includes a maid, a butler, and an Aston Martin car. Alastair Grant/AP
An apartment lounge is seen in the athletes village, at the Olympic Park, in Stratford, east London, March 15, 2012. Dominic Lipinski/AP
The sun sets behind the Olympic Stadium and Orbit tower at the Olympic Park in Stratford in east London on March 7, 2012. Toby Melville/Reuters