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Fireworks explode over the Golden Gate Bridge to celebrate its 75th anniversary on May 27, 2012 in San Francisco, California.
Noah Berger / AP
Fireworks erupt from the Golden Gate Bridge as part of the span's 75th anniversary celebration.
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San Francisco's iconic Golden Gate Bridge turns 75. Look back at the history of the bridge in our slideshow.
Behind the scenes with the iron workers, painters and engineers who maintain this iconic bridge and the Coast Guard personnel who patrol its waters.