"<div class=""meta ""><span class=""caption-text "">United States' Dana Vollmer, center, reacts after winning gold and setting a world record in the women's 100-meter butterfly swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. Vollmer set a new world record with a time of 55.98. (AP Photo/Mark J. Terrill) (AP Photo/ Mark J. Terrill)</span></div>"
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