A group of African-American men are confronted by state troopers with bayonets at a street corner in the Watts neighborhood of Los Angeles. Express Newspapers/Getty Images hide caption

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Daniel Harmon, a veteran of the wars in both Afghanistan and Iraq, looks out the window of his room at the Hollywood Veterans Center in Los Angeles. The facility provides housing to homeless vets. David Gilkey/NPR hide caption

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The Eastside Bicycle Club on a 35 mile Saturday evening ride with stops for tacos. Carlos Morales hide caption

itoggle caption Carlos Morales

A typical midhike feast once hikers reach their destination. HaeRyun Kang/NPR hide caption

itoggle caption HaeRyun Kang/NPR

Officer Ted Simola, a member of the LAPD mental evaluation unit, responds to a call in February. Maya Sugarman/KPCC hide caption

itoggle caption Maya Sugarman/KPCC

Metropolitan Division officers finish another "rollback" operation. They searched the apartment of a paroled armed robber and gang member. These rollbacks are a cornerstone of the Metro Division's strategy of tracking people who may re-offend, and suppressing crime before it happens. Martin Kaste/NPR hide caption

itoggle caption Martin Kaste/NPR

A Philadelphia mural entitled You Go Girl by Jetsonorama and Ursula Rucker. This is just one of many murals that the city's Mural Arts Program helped to create. Steve Weinik/Courtesy of the City of Philadelphia Mural Arts Program hide caption

itoggle caption Steve Weinik/Courtesy of the City of Philadelphia Mural Arts Program

Los Angeles started offering a $3.75 rebate on every square foot of grass replaced with a drought-friendly landscape. The drought is a boost in business for local conservation entrepreneurs. Frederic J. Brown/AFP/Getty hide caption

itoggle caption Frederic J. Brown/AFP/Getty

Supporters of Airbnb hold a rally outside City Hall, in New York. Cities throughout the country have been cracking down on the vacation rental site, prompting protests like these across the country. Bebeto Matthews/AP hide caption

itoggle caption Bebeto Matthews/AP

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

itoggle caption Mark Ralston/AFP/Getty Images