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Open Image ModalLaura Ludwig of Germany reacts during a beach volleyball match against the other German team at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)
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Open Image ModalNetherlands' Dafne Schippers, United States' Chantae McMillan and Estonia's Grit Sadeiko, from left, compete in the 100-meter hurdles of the Women's Heptathlon during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Martin Meissner)
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Open Image ModalSebastian Chevallier of Switzerland kicks sand in the air to check the wind before serving to Poland during a beach volleyball match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Dave Martin)
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Open Image ModalPoland's Tomasz Majewski makes an attempt in the qualification for the men's Shot Put during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Matt Dunham)
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Open Image ModalRichard Patterson of New Zealand competes during the men's 85-kg, group B, weightlifting competition at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andrew Medichini)
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Open Image ModalChina's Wang Yihan plays against India's Saina Nehwal in a women's singles badminton semifinal match at the 2012 Summer Olympics, Friday, Aug. 3, 2012, in London. (AP Photo/Andres Leighton)
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Open Image ModalGreece's Niki Panetta makes an attempt in the women's Triple Jump qualification during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/David J. Phillip )
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Open Image ModalChina's Li Zhilong competes in a men's 400-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 3, 2012. (AP Photo/Ben Curtis)
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Open Image ModalA 50ft poster of Jessica Ennis on John Lewis building looking down on Barker's Pool, in the centre of her home town of Sheffield. PRESS ASSOCIATION Photo. Picture date: Thursday August 2, 2012. (Photo credit: PA)
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Open Image ModalSwimmers warm up before the start of the competition at the Aquatics Centre, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Equestrian jumping team (left-right) Scot Brash, Peter Charles, Ben Maher and Nick Skelton at a press conference at Greenwich Park, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Jessica Ennis on her way to setting a new life time best time as she competes in heat 5 of the 100metre hurdles in the first event of the Heptathlon at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalJessica Ennis (right) celebrates with Belgium's Sara Aerts after winning heat 5 of the Women's Heptathlon 100m Hurdles at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalJessica Ennis celebrates after winning heat 5 of the Women's Heptathlon 100m Hurdles at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalJessica Ennis after winning heat 5 of the Women's Heptathlon 100m Hurdles at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Katarina Johnson-Thompson after running in heat 4 of the Women's Heptathlon 100m Hurdles at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Larry Godfrey competes during the Men's Archery eliminations at Lord's Cricket Ground, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Daniel Fogg in action in his Men's 1500m Freestyle Heat at the Aquatics Centre, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Judo Player Karina Bryant on top during her win over Slovakia's Lucija Polavder during Women's +78kg category round of 16 contest at the ExCel Arena, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Dai Greene on his way to winning heat 3 of the Men's 400m Hurdles Round 1 at the Olympic Stadium, London. (Photo credit: PA)
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Open Image ModalGreat Britain's Jessica Ennis (right) reacts after setting a new life time best time as she competes in heat 5 of the 100metre hurdles in the first event of the Heptathlon on day 7 of the Olympic Stadium, London. (Photo credit: PA)