The Superdome is seen in the distance beyond a billboard Wednesday, Jan. 30, 2013, in New Orleans. The city will host the Super Bowl XLVII football game between the Baltimore Ravens and the San Francisco 49ers Sunday. (AP Photo/Charlie Riedel)

Photo by: Charlie Riedel

The Superdome is seen in the distance beyond a billboard Wednesday, Jan. 30, 2013, in New Orleans. The city will host the Super Bowl XLVII football game between the Baltimore Ravens and the San Francisco 49ers Sunday. (AP Photo/Charlie Riedel)