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A fan looks around the Superdome after half the lights went out during a power outage in the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and Baltimore Ravens on Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Super Bowl blackout

A sudden power outage brought Super Bowl XLVII to a halt leaving the Baltimore Ravens and

San Francisco 49ers waiting for half the lights to be restored at the Louisiana

Superdome on Feb. 3. The Ravens went out to a 34-31 victory.