Article Photos: Ravens edge 49ers 34-31 in electric Super Bowl 24/35

A power failure advisory appears on a screen at the Superdome during the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. The power failure delayed the game by more than 30 minutes. (AP Photo/Marcio Sanchez)