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Olympic security concerns remain high
In this photo provided by Olympictorch2014.com, performers dressed in folk costumes dance during a welcome ceremony of the Olympic torch relay in Rostov-on-Don, south of Moscow, Russia. The 65,000-kilometer (40,389 mile) Sochi torch relay, which started on Oct. 7, is the longest in Olympic history. The torch has traveled to the North Pole on a Russian nuclear-powered icebreaker and has even been flown into space. (AP Photo/Olympictorch2014.com)
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