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

itoggle caption Mark Krynsky/Flickr

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

itoggle caption Damian Dovarganes/AP

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

Actress Natalie Portman and Benjamin Millepied arrive at the 83rd Annual Academy Awards held Sunday at the Kodak Theatre in Hollywood, Calif. Jason Merritt/Getty Images hide caption

itoggle caption Jason Merritt/Getty Images

Olga Perez is trying to get more healthful food options in Ramona Gardens, her East L.A. neighborhood. Mandalit del Barco/NPR hide caption

itoggle caption Mandalit del Barco/NPR

Glendale, Calif., Police Sgt. Steve Robertson was first incapacitated by a laser beam while landing a helicopter in the mid-1990s. Since then, he says, he and his fellow police pilots in Glendale have been targeted dozens of times by people shining cheap, easy-to-buy lasers. Mandalit del Barco/NPR hide caption

itoggle caption Mandalit del Barco/NPR

Los Angeles police officers point to known local gang suspects after a  federal gang raid operation in Los Angeles on Aug. 25. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP

Los Angeles Police Chief Charlie Beck (middle), Mayor Antonio Villaraigosa (left) and Police Commission President John Mack detail the city's crime figures, the lowest in four decades. Damian Dovarganes/AP hide caption

itoggle caption Damian Dovarganes/AP