David Svoboda, left, of the Czech Republic waits to begin his bout with Cao Zhongrong of China during the men's fencing section of the modern pentathlon.
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Ukraine's Inna Osypenko-Radomska celebrates after earning the silver medal in the kayak single women's 200-meter final at the 2012 Summer Olympics.
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Russia's Yury Postrigay (R) and Alexander Dyachenko push forward to winning the gold medal in the men's kayak double 200-meter final.
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Russia's Yury Postrigay and Alexander Dyachenko compete in the men's kayak double 200-meter final.
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Britain's Ed Mckeever celebrates after winning the gold medal in the kayak single 200-meter men's final.
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Australia's Jared Tallent competes in the men's 50-kilometer race walk.
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China's Si Tianfeng competes in the men's 50-kilometer race walk.
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Athletes walk past Buckingham Palace as they compete in the men's 50-kilometer race walk.
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Sergey Kirdyapkin, of Russia, right, competes to win the gold medal in the men's 50-kilometer race walk.
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Jared Tallent of Australia celebrates taking the silver medal in the 50-kilometer men's race walk.
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Athletes walk through a mister as they compete in the men's 50-kilometer race walk.
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Sergey Kirdyapkin, of Russia, wins the gold medal in the men's 50-kilometer race walk.
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Gold-medallist Russia's Sergey Kirdyarkin acknowledges the crowd following the men's 50-kilometer race walk.
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Australia's Jared Tallent celebrates taking the silver medal at the men's 50-kilometer race walk.
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Tianfeng Si, of China, celebrates taking the bronze medal in the men's 50-kilometer race walk.
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Cao Zhongrong of China, left, and Ondrej Polivka of the Czech Republic compete during the fencing section of the men's modern pentathlon.
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Visitors watch race walking on a big screen in Olympic Park at the 2012 Summer Olympics Saturday.
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From left, bronze medalist Teymur Mammadov of Azerbaijan, bronze medalist Tervel Pulev of Bulgaria, gold medalist Oleksandr Usyk of Ukraine, and silver medalist Clemente Russo of Italy, participate in the medals ceremony for heavyweight 91-kg boxing.
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USA's Maya Moore, left, celebrates with teammates after they received their gold medals after defeating France in a women's gold medal basketball game.
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United States' Diana Taurasi, right, and Candace Parker bite their gold medals after beating France in the women's gold medal basketball game.
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Members of the United States women's basketball team stand for the national anthem after receiving their gold medals following their win over France.
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Canada's Justyn Warner, center, crosses the finish line in the men's 4x100-meter relay final during the athletics in the Olympic Stadium at the 2012 Summer Olympics. A lane violation and subsequent disqualification cost the Canadians a medal and left the team devastated.
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Norways's players wave from the podium after winning gold medals in the women's handball competition.
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United States' DeeDee Trotter, second from right, hands the baton to United States' Allyson Felix as they compete to win gold in the women's 4x400-meter relay final during the athletics in the Olympic Stadium.
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Gold medalist David Boudia from the US competes during the men's 10-meter platform diving final at the Aquatics Centre.
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USA's Foluke Akinradewo (16, right) cries as she hugs teammate Jordan Larson (10) after losing to Brazil 3-1 during a women's volleyball gold medal match.
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Coleman Scott of the United States competes against Toghrul Asgarov of Azerbaijan (in blue) during the men's 60-kg freestyle wrestling competition.
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Japan's Saori Kimura, rear, hugs Mai Yamaguchi following a three set win over South Korea during the women's volleyball bronze medal match.
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Players from Japan thank the crowd following a three set win over South Korea in the women's volleyball bronze medal match.
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Toghrul Asgarov of Azerbaijan competes against Tim Schleicher of Germany (in blue) during the men's 60-kg freestyle wrestling competition.
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South Korea's Son Yeon-jae performs during the rhythmic gymnastics individual all-around final.
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Nicholas Woodbridge from Great Britain competes during the swimming competition as part of the modern pentathlon at the Aquatics Centre in the Olympic Park.
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Russia's Evgeniya Kanaeva performs during the rhythmic gymnastics individual all-around final at the 2012 Summer Olympics.
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South Korea's Kim Yeon-koung sits on the court during a three set loss to Japan in the women's volleyball bronze medal match.
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Lee Seungchul of South Korea competes against Coleman Scott of the United States (in blue) during the men's 60-kg freestyle wrestling competition.
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Israel's Neta Rivkin performs during the rhythmic gymnastics individual all-around final.
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Nick Matuhin of Germany competes against Artur Taymazov of Ukbekistan (in blue) during the men's 120-kg freestyle wrestling competition.
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Germany's Sabine Spitz (1) competes in the Mountain Bike Cycling women's race. Spitz won the silver medal in the race.
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Aleksander Lesun of the Russia competes during the swimming competition as part of the modern pentathlon at the Aquatics Centre.
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Aleksander Lesun of the Russia starts for the swimming competition as part of the modern pentathlon at the Aquatics Centre in the Olympic Park.
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Japan poses for a photo after the team defeated South Korea during a women's volleyball bronze medal match at the 2012 Summer Olympics Saturday.
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Zaurbek Sokhiev of Uzbekistan competes against Ibragim Aldatov of Ukraine (in blue) during the men's 84-kg freestyle wrestling competition.
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Russia's Gadzhi Umarov fights Canada's Francois Coulombe-Fortier (in red) during their match in men's plus 80-kg taekwondo competition.
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Russia's Gadzhi Umarov fights Canada's Francois Coulombe-Fortier (in red) during their match in men's plus 80-kg taekwondo competition.
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South Korea's Han Song-yi, right, spikes the ball over Japan's Ai Otomo, left, and Yoshie Takeshita during a women's bronze medal volleyball match.
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Cambodia's Davin Sorn fights Maria del Rosario Espinoza (in red) during their match in women's plus 67-kg taekwondo competition at the 2012 Summer Olympics.
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Fans watch cyclists compete in the Mountain Bike Cycling women's race, at the 2012 Summer Olympics.
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Mali's Daba Modibo Keita holds a handmade doll given to him by Uzbekistan's Akmal Irgashev before their match in men's plus 80-kg taekwondo competition.
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South Korea's Han Song-yi passes during a women's bronze medal volleyball match against Japan.
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Lin Yue of China dives during the men's 10-meter platform diving semifinal at the Aquatics Centre.
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Ivan Garcia Navarro of Mexico dives during the men's 10-meter platform diving semifinal at the Aquatics Centre in the Olympic Park.
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Russia's Anastasia's Baryshinkova walks off the mat after fighting Tunisia's Khaoula Ben Hamza in women's plus 67-kg taekwondo competition.
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Great Britain's Liam Heath, right, and Jon Schofield celebrate at the podium after winning the bronze medal in the men's kayak double 200m in Eton Dorney, near Windsor, England.
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