A tornado destroys the Hollywood sign (and everything it stands for) in the 2004 film The Day After Tomorrow. Photofest hide caption

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One of Los Angeles' 32 red light cameras. Nick Ut/AP hide caption

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Los Angeles Mayor Antonio Villaraigosa (left) and Los Angeles County Supervisor Zev Yaroslavsky hold souvenir concrete chips as they celebrate the demolition of two lanes of the Mulholland Drive bridge over I-405 ahead of schedule Sunday. Reed Saxon/AP hide caption

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U.S. Marshals deputies restrain a suspected member of an Azusa, Calif., gang after a raid in Irwindale on June 7. The Latino gang conspired to rid the Southern California city of its black residents through threats and violence dating back to the early 1990s, according to an indictment. AP hide caption

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Crowds gather at L.A. Street Food Fest last year, where food trucks competed for awards such as "Best in Show" and "People's Choice Award." Mark Krynsky/Flickr hide caption

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Displays at La Plaza include film posters featuring Mexican actresses Lupita Tovar and Dolores del Rio, as well as Mexican actor Ramon Novarro, star of 1925's Ben-Hur. Damian Dovarganes/AP hide caption

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Chef Jamie Oliver takes his reality show Food Revolution to Los Angeles in an effort to revamp lunches in the nation's second-largest school district. Greg Zabilski/ABC hide caption

itoggle caption Greg Zabilski/ABC