A Baltimore Ravens fan is seen before his team plays the San Francisco 49ers in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jim Young


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A Baltimore Ravens fan is seen before his team plays the San Francisco 49ers in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jim Young


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San Francisco 49ers fan Nick Musante poses for a photo before Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome. (Jack Gruber-USA TODAY Sports)


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Baltimore Ravens fan Julie Parnell prior to Super Bowl XLVII at the Mercedes-Benz Superdome. (John David Mercer-USA TODAY Sports)


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San Francisco 49ers fan Ramiro Munoz strikes a pose in front of the Superdome before the NFL Super Bowl XLVII football game against the Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Sean Gardner


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Baltimore Ravens fan Anthony Clark holds Super Bowl XLVII tickets outside the Mercedes-Benz Superdome. (Kirby Lee-USA TODAY Sports)


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A San Francisco 49ers fan is seen before his team plays the Baltimore Ravens in the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Jeff Haynes


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A fan's helmet with the logos of the Baltimore Ravens and the San Francisco 49ers reflects the inside of the Superdome before the NFL Super Bowl XLVII football game in New Orleans, Louisiana, February 3, 2013. REUTERS/Sean Gardner


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San Francisco 49ers fan Mark Castanon of San Jose cheers prior to the start of Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome. (Matthew Emmons-USA TODAY Sports)


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A Baltimore Ravens fan stands outside the Superdome before the NFL Super Bowl XLVII football game against the San Francisco 49ers in New Orleans, Louisiana, February 3, 2013. REUTERS/Sean Gardner


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A fan of the San Francisco 49ers holds out a flag before Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome. (Mark J. Rebilas-USA TODAY Sports)


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Fans during the national anthem in Super Bowl XLVII at the Mercedes-Benz Superdome. (Chuck Cook-USA TODAY Sports)


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A San Francisco 49ers fan wears a foam gold nugget helmet during pre-game activities for the NFL Super Bowl XLVII football game against the Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Brian Snyder


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San Francisco 49ers mascot performs before Super Bowl XLVII against the Baltimore Ravens at the Mercedes-Benz Superdome.


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A San Francisco 49ers fan sings during the opening ceremonies for the NFL Super Bowl XLVII football game between the 49ers and the Baltimore Ravens in New Orleans, Louisiana, February 3, 2013. REUTERS/Mike Segar


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Baltimore Ravens fan Cal Wheaton looks out toward the Super Bowl XLVII sculpture on a barge along the Riverwalk in New Orleans, Sunday, Feb. 3, 2013. The city hosts NFL football's Super Bowl XLVII between the San Francisco 49ers and Baltimore Ravens on Sunday. (AP Photo/Jeff Chiu)


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