Vienna

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Multitalented singer-songwriter Josh Groban will perform with in concert with an orchestra at Wolf Trap National Park for the Performing Arts in Vienna on Tuesday and Wednesday. (Associated Press)

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File- This Feb. 25, 2013, file photo shows Austrian Natascha Kampusch posing for photographers before the premiere of the film "3096 Days" in Vienna, Austria. Kampusch was kidnapped in 1998 off the street in Vienna at age 10. She managed to escape in 2006 but only after spending eight years as a captive, mostly in a tiny basement enclosure. She was abused by her abductor, Wolfgang Priklopil, who committed suicide soon after Kampusch freed herself. (AP Photo/Ronald Zak, File)

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FILE - In this Nov. 7, 2013, file photo, Rapid Vienna's Terrence Boyd celebrates after scoring during the Europa League group G soccer match against Belgian club KRC Genk, in Vienna, Austria. While fans of the U.S. national team wait to see if Jozy Altidore can find his missing scoring touch for Sunderland in the final weeks of the Premier League, coach Jurgen Klinsmann has noticed another American striker heating up in Austria. Boyd scored two more goals last weekend for Rapid Vienna, netting both in a 2-1 win over league champion Red Bull Salzburg. That followed his two-goal performance a week earlier. (AP Photo/Hans Punz, File)

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10ThingstoSeeSports - Athletes lead shortly after the start of the Vienna city marathon, in Vienna, Austria, on Sunday, April 13, 2014. (AP Photo/Ronald Zak, File)