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Romanian gymnasts

Romanian gymnasts share the awards podium after sweeping the medals in the women's all-arounds at the 2000 Summer Olympic Games Thursday, Sept 21, 2000, in Sydney. They are sliver medalist Simona Amanar, left, gold medalist Andreea Raducan, center, and bronze medalist Maria Olaru. (AP Photo/Amy Sancetta)

Olympics Quiz: 12 questions from the '12 Games

As the 2012 London Games come to an end, we thought some expert Olympic fans might want to test their knowledge with a little quiz. -- By Chris Wilson, Yahoo! Sports