Allen Burnsworth, owner of Sit Means Sit Dog Training in Los Angeles, demonstrates how to fight off a dog attack with Flash, a trained 2-year-old Belgian Malinois. Allie Ferguson/NPR hide caption

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A woman walks past a memorial for some of the victims who are said to have died at the hands of the serial killer dubbed the "Grim Sleeper." Mark Ralston/AFP/Getty Images hide caption

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Los Angeles is trying out 100 of these new parking signs for six months. They're supposed to help streamline the current system. (See photo below.) Sam Sanders/NPR hide caption

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Many of LA's Skid Row residents live in makeshift tents. Kelly McEvers hide caption

itoggle caption Kelly McEvers

An economist with the Rand Corporation argues that Los Angeles' fast-food ban failed because it merely blocked new construction or expansion of "stand-alone fast-food" restaurants in neighborhoods where that style of restaurant was uncommon to begin with. David McNew/Getty Images hide caption

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Fans hold a "Los Angeles Rams" sign during a San Diego Chargers game against the St. Louis Rams last year. Both teams are part of proposals to build new NFL stadiums in the LA area. Donald Miralle/Getty Images hide caption

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Scent Bar, in central Los Angeles, is home to over 700 niche fragrances — several of which are neatly arranged here. Courtesy of LuckyScent hide caption

itoggle caption Courtesy of LuckyScent

Before a Lakers game this season, Adrián García Márquez and the rest of the TWC Deportes crew tapes a pre-game intro. Nadia Gonzalez/TWC Deportes hide caption

itoggle caption Nadia Gonzalez/TWC Deportes

A few trucks move along the docks at the Port of Los Angeles on Thursday. Seaports in major West Coast cities that normally are abuzz with the sound of commerce are falling unusually quiet due to an ongoing labor dispute. Nick Ut/AP hide caption

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Sara Martín reads bedtime stories with her children. When the kids were younger, she says, staying up to date on their frequent immunizations was tough, because of cost and transportation issues. Lauren M. Whaley/CHCF Center for Health Reporting hide caption

itoggle caption Lauren M. Whaley/CHCF Center for Health Reporting

Fast-food workers in Los Angeles march in August 2013 to raise the minimum wage to $15 an hour. Similar protests around the country have been organized by labor unions. Nick Ut/AP hide caption

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Protesters assemble in front of a McDonald's in Los Angeles, demanding a $15 an hour minimum wage in September. Paul Buck/EPA/Landov hide caption

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The California Aqueduct carries water from the Sierra Nevada Mountains to Southern California. It is one of four aqueducts in the region that glide across the San Andreas Fault. David McNew/Getty Images hide caption

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For the past 34 years, the William Grant Still Arts Center has held a Black Doll Show to showcase diverse dolls for children. The exhibit features dolls submitted by artists and collectors from around the country. Priska Neely/NPR hide caption

itoggle caption Priska Neely/NPR

The Los Angeles River in 2013. Engineers turned it into a narrow concrete channel in the 1940s, after a flood destroyed homes and left 100 people dead in 1938. Steve Lyon/Flickr hide caption

itoggle caption Steve Lyon/Flickr

Over the past 25 years, Mona Shafer Edwards has depicted some of the most famous trials in Los Angeles, including Rodney King and O.J. Simpson (above). Mona Shafer Edwards hide caption

itoggle caption Mona Shafer Edwards

Gov. Jerry Brown speaks to the crowd during the California High-Speed Rail Authority groundbreaking event in Fresno. The $68 billion project faces challenges from Republicans in Congress, and from Central Valley farmers suing to block the train from crossing their fields. Gary Kazanjian/AP hide caption

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People celebrate after California Gov. Jerry Brown signed bill AB60 on Oct. 3, 2013, in Los Angeles. Also known as the Safe and Responsible Driver Act, it allows undocumented immigrants to apply for state driver's licenses. Kevork Djansezian/Getty Images hide caption

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On the set of Behind the Silver Screen, a Channel 22 series that profiles life stories of Hollywood veterans who are Motion Picture and Television Fund residents. Jennifer Clymer /MPTF hide caption

itoggle caption Jennifer Clymer /MPTF