Cuba en las Olimpíadas (8.5.2012)

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  United States' Benjamin Provisor reacts after defeating Cuba's Alexei Bel, right, in the 74-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  United States' Benjamin Provisor, left, competes with Cuba's Alexei Bel during the 74-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  South Korea's Choi Gyu-jin, right, reacts after defeating Cuba's Gustavo Balart in 55-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  Cuba's Gustavo Balart, right, competes with South Korea's Choi Gyu-jin during the 55-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  Cuba's Gustavo Balart, left, competes with South Korea's Choi Gyu-jin during 55-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  Cuba's Gustavo Balart, right, takes South Korea's Choi Gyu-jin to the mat 55-kg Greco-Roman wrestling competition at the 2012 Summer Olympics, Sunday, Aug. 5, 2012, in London. Paul Sancya / AP

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  Lisandra Guerra Rodriguez of Cuba competes during the Women's Sprint Track Cycling Qualifying on Day 9 of the London 2012 Olympic Games at Velodrome on August 5, 2012 in London, England. Bryn Lennon / Getty Images

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  Lisandra Guerra Rodriguez of Cuba competes during the Women's Sprint Track Cycling Qualifying on Day 9 of the London 2012 Olympic Games at Velodrome on August 5, 2012 in London, England. Bryn Lennon / Getty Images

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  Lisandra Guerra Rodriguez of Cuba competes during the Women's Sprint Track Cycling Qualifying on Day 9 of the London 2012 Olympic Games at Velodrome on August 5, 2012 in London, England. Jeff Gross / Getty Images