Czech beach volleyball player Krystina Kolocova dives for the ball during beach volleyball action at Horse Guards Parade during the 2012 Olympic Summer Games in London, England. Photo by Dave Abel/Toronto Sun/QMI
Czech beach volleyball player Krystina Kolocova calls the block against team Australia during beach volleyball action at Horse Guards Parade during the 2012 Olympic Summer Games in London, England. Photo by Dave Abel/Toronto Sun/QMI
Switzerland's Sascha Heyer celebrates a point against China during beach volleyball action at Horse Guards Parade during the 2012 Olympic Summer Games in London, England. Photo by Dave Abel/Toronto Sun/QMI
China's Linyin Xu spikes Switzerland's Sascha Heyer on during beach volleyball action at Horse Guards Parade during the 2012 Olympic Summer Games in London, England. Photo by Dave Abel/Toronto Sun/QMI
Australia's Ibrahim Balla (R) reacts after defeating Morocco's Aboubakr Seddik Lbida in the Men's Bantam (56kg) Round of 32 Bout 8 boxing match at ExCeL venue during the London 2012 Olympic Games. REUTERS/Murad Sezer
Fabian Hambuchen of Germany reacts after competing in the rings at the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Brian Snyder
Israel's Misha Zilberman plays against Denmark's Jan O Jorgensen during their men's singles group play stage badminton match at the Wembley Arena during the London 2012 Olympic Games. REUTERS/Bazuki Muhammad
Terrell Gausha of the U.S. reacts after defeating Armenia's Andranik Hakobyan in the Men's Middle (75kg) Round of 32 Bout 8 boxing match at ExCeL venue during the London 2012 Olympic Games. REUTERS/Murad Sezer
Great Britain's Kim Butler (L) and Australia's Rachel Jarry reach for a rebound during their women's Group B basketball match at the London 2012 Olympic Games in the Basketball arena. REUTERS/Mike Segar
Ghana's Isaac Dogboe (L) fights against Japan's Satoshi Shimizu in the Men's Bantam (56kg) Round of 32 Bout 12 boxing match at ExCeL venue during the London 2012 Olympic Games . REUTERS/Murad Sezer
The Olympic rings and the Union flag are seen painted on the fingernails of Destinee Hooker of the U.S., as well as the words "Mom" and "Dad" spelled out on her finger tape, during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court in Londo. REUTERS/Ivan Alvarado
Philipp Boy of Germany rubs his eye at the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Dylan Martinez
Ryan Lochte of the U.S. swims to win the men's 400m individual medley final at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Toby Melville
Elizabeth Beisel of the U.S. poses with her silver medal during the women's 400m individual medley victory ceremony at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Michael Dalder
France's Camille Catala celebrates with Corine Franco (L) after winning against North Korea during their women's first round Group G preliminary soccer match at the London 2012 Olympic Games in Hampden Park, Glasgow, Scotland.REUTERS/David Moir
South Africa's Cameron van der Burgh reacts after setting an Olympic record during the men's 100m breatstroke semi-final during the London 2012 Olympic Games at the Aquatics Centr. Van der Burgh set the record with a time of 58.83 seconds. REUTERS/Toby Melville
France's Celine Dumerc celebrates after making a three point basket against Brazil during their women's Group B basketball match at the London 2012 Olympic Games in the Basketball arena. REUTERS/Sergio Perez
Members of Australia's relay team celebrate winning the women's 4x100m freestyle relay final at the London 2012 Olympic Games at the Aquatics Centre. The team set an Olympic record with a time of 3 minutes 33.15 seconds. REUTERS/Tim Wimborne
Montenegro's Milena Knezevic (L) fights for the ball with Britain's Nina Heglund during their women's handball Preliminaries Group A match at the Copper Box venue of the London 2012 Olympic Games. REUTERS/Marko Djurica
Members of Australia's relay team hug as they celebrate after winning the women's 4x100m freestyle relay final at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Toby Melville
Italy's gold medallist Elisa Di Francisca (L) celebrates on podium next to her compatriots, silver medallist Arianna Errigo, and bronze medallist Valentina Vezzali (R) during the award ceremony for the women's Individual Foil fencing competition at the ExCel venue at the London 2012 Olympic Games. REUTERS/Max Rossi
Poland's Wang Zengyi celebrates after defeating Brazil's Hugo Hoyama during their men's singles first round table tennis match at the ExCel venue of the London 2012 Olympic Games in London. REUTERS/Grigory Dukor
Marcel Nguyen of Germany competes in the horizontal bar event during the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games. Picture taken with multiple exposures. REUTERS/Mike Blake
Dana Vollmer (R) of the U.S. embraces team mate Clare Donahue after qualifying fastest in the 100m butterfly semi-final during the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Toby Melville
Australia's Ibrahim Balla (L) fights against Morocco's Aboubakr Seddik Lbida in the Men's Bantam (56kg) Round of 32 Bout 8 boxing match at ExCeL venue during the London 2012 Olympic Game. REUTERS/Murad Sezer
China's Sun Yang celebrates after he won the men's 400m freestyle final at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Toby Melville
China's Sun Yang swims to win the men's 400m freestyle final at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/David Gray
Michael Phelps of the U.S. reacts after a fourth place finish in the men's 400m individual medley final during the London 2012 Olympic Games at the Aquatics Centre. REUTERS/David Gray
Tyler Bjorn and Richard Clarke of Canada sail in the Star class before a practice race at the London 2012 Olympic Games in Weymouth and Portland, southern England. REUTERS/Pascal Lauener
China's Mingjuan Wang celebrates her lift on the women 48Kg Group A weightlifting competition at the London 2012 Olympic Games. REUTERS/Dominic Ebenbichler
Cyclists climb Box Hill in the men's cycling road race at the London 2012 Olympic Games. REUTERS/Cathal McNaughton
Britain's Kelly Smith (10) celebrates after teammate Jill Scott (2nd L, on ground) scored a goal against Cameroon during their women's Group E football match at the London 2012 Olympic Games in the Millenium Stadium in Cardiff. REUTERS/Francois Lenoir
Denmark celebrates after defeating Sweden in their women's handball Preliminaries Group B match at the Copper Box venue of the London 2012 Olympic Games. REUTERS/Marko Djurica
Thailand's Sirivimon Pramongkhol drops weights on the women 48Kg Group A weightlifting competition at the London 2012 Olympic Games. REUTERS/Dominic Ebenbichler
Jonathan Horton of the U.S. competes in the horizontal bar event at the men's qualification in the North Greenwich Arena during the London 2012 Olympic Games . REUTERS/Mike Blake
Croatia's Iva Ciglar (L) reaches for the loose ball with Candace Parker (C) and Diana Taurasi (R) of the U.S. during their women's Group A basketball match at the London 2012 Olympic Games in the Basketball arena. REUTERS/Mike Segar
Cameroon's Madeleine Ngono Mani (L) and Britain's Anita Asante fight for the ball during their women's Group E football match at the London 2012 Olympic Games in the Millenium Stadium in Cardiff. REUTERS/Francois Lenoir
Britain's Sam Oldham competes on the parallel bars during the men's gymnastics qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Dylan Martinez
Hawley Bennett-Awad of Canada riding Gin & Juice performs during the equestrian Eventing Individual Dressage Day 1 in the Greenwich Park during the London 2012 Olympic Games. REUTERS/Mike Hutchings
Djibouti's Yasmin Hassan Farah serves during her women's singles preliminary round table tennis match at the ExCel venue of the London 2012 Olympic Games in London. REUTERS/Grigory Dukor
Belgium's Steve Darcis celebrates defeating Czech Republic's Tomas Berdych in their men's singles tennis match at the All England Lawn Tennis Club during the London 2012 Olympics Games. REUTERS/Stefan Wermuth
China's Xu Yunli jumps to spike the ball as teammate Zhang Xian (back) looks on from behind and Serbia's captain Maja Ognjenovic (R) defends during their women's Group B volleyball match at the London 2012 Olympic Games at Earls Court in London. REUTERS/Ivan Alvarado
Germany's Anton Braun and Felix Drahotta react during the men's rowing pair heat at the Eton Dorney during the London 2012 Olympic Games. REUTERS/Jim Young
Sweden's Kosovare Asllani kneels on the field during the team's Group F football match against Japan at the London 2012 Olympic Games in the City of Coventry Stadium. REUTERS/Alessandro Garofalo
Czech Republic's Katerina Emmon looks up during the women's 10m air rifle final competition at the London 2012 Olympic Games in the Royal Artillery Barracks at Woolwich in London. REUTERS/Kai Pfaffenbach
Kim Hee Hoon of South Korea competes in the vault at the men's qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Brian Snyder
Louis Smith of Great Britain competes in the horizontal bar at the men's qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Dylan Martinez
Tunisia's Ines Boubakri celebrates defeating Nicole Ross of the U.S. during their women's Individual Foil round of 32 competition at the ExCel venue at the London 2012 Olympic Games. REUTERS/Damir Sagolj
Russia's coach Boris Sokolovskiy gestures during the women's Group B basketball match against Canada at the London 2012 Olympic Games in the Basketball arena. REUTERS/Sergio Perez
Japan's Hiroaki Hiraoka fights with France's Sofiane Milous (blue) during their men's -60kg quarter-final judo match, at the London 2012 Olympic Games.REUTERS/Toru Hanai
Daniel Purvis of Britain competes in the vault at the men's qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Brian Snyder
South Korea's Gwang-Hyeon Choi reacts after losing to Russia's Arsen Galstyan in their men's -60kg quarter-final judo match, at the London 2012 Olympic Games. REUTERS/Kim Kyung-Hoon
South Korea's Gwang-Hyeon Choi fights with Russia's Arsen Galstyan (white) during their men's -60kg quarter-final judo match, at the London 2012 Olympic Games. REUTERS/Kim Kyung-Hoon
Colombia's Paula Medina serves against Ukraine's Tetyana Bilenko during their women's singles first round table tennis match in the ExCel venue at the London 2012 Olympic Games. REUTERS/Grigory Dukor
Michael Phelps of the U.S. swims during the men's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre. REUTERS/Tim Wimborne
Russia's team competes in the during the men's rowing quadruple sculls heat at the Eton Dorney during the London 2012 Olympic Games. REUTERS/Philip Brown
Zhang Chenglong of China competes in the vault at the men's qualification in the North Greenwich Arena during the London 2012 Olympic Games. REUTERS/Brian Snyder
Mexico's Nabor Castillo reacts after losing to Italy's Elio Verde in their men's -60kg elimination round of 16 judo match, at the London 2012 Olympic Games. REUTERS/Toru Hanai
Belgium's Kim Clijsters pauses between sets during her women's singles match against Italy's Roberta Vinci at the All England Lawn Tennis Club during the London 2012 Olympic Games. REUTERS/Sergio Moraes
Michael Phelps of the U.S. competes in the men's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre . REUTERS/Toby Melville
Italy's Roberta Vinci returns to Belgium's Kim Clijsters during their women's singles match at the All England Lawn Tennis Club during the London 2012 Olympic Games. REUTERS/Sergio Moraes
Romania's Alina Dumitru fights with Mongolia's Urantsetseg Munkhbat (blue) during their women's -48kg quarter-final judo match, at the London 2012 Olympic Games REUTERS/Kim Kyung-Hoon
China's Yi Siling bites her gold medal at the victory ceremony after the women's 10m air rifle final competition at the London 2012 Olympic Games in the Royal Artillery Barracks at Woolwich in London. REUTERS/Eddie Keogh