American sibling skaters Ronald and Vivian Joseph perform the "death spiral" on Oct. 26, 1963, at the World Championships. The International Olympic Committee announced this week that the Josephs, who originally placed fourth in the 1964 Winter Games in Innsbruck, Austria, were in fact the bronze medalists. Bill Peters/Denver Post via Getty Images hide caption

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A Libyan youth displays his skills in parkour, an extreme sport, during a friendly competition in Tripoli on March 7, 2014. Mahmud Turkia/AFP/Getty Images hide caption

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Thomas Bach (right) has been chosen to succeed International Olympic Committee President Jacques Rogge (left). The pair are seen here at the IOC sessions in Argentina over the weekend. Alexander Hassenstein/Getty Images hide caption

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