Discarded needles at a heroin encampment in the Kensington neighborhood of Philadelphia, Pennsylvania, on April 7, 2017. #

Jessica, a homeless heroin addict, walks along the railroad tracks near the bridge where she lives in the Kensington neighborhood of Philadelphia on April 14, 2017. #

Steven, a homeless heroin addict, pauses under a bridge where he lives with other addicts in Kensington on July 21, 2017. #

A mix of cocaine and heroin waits for a user near a railway underpass in Kensington on July 31, 2017. #

Chris, a homeless heroin addict, shoots up by a railway underpass in Kensington on July 31, 2017. #

A police officer patrols in the Kensington section of Philadelphia, which has become a hub for heroin addicts, on July 21, 2017. #

Mike, a heroin addict who wants to get help, panhandles for money in Kensington on July 21, 2017. #

A sign for help with addiction is displayed in the Kensington section of Philadelphia on July 21, 2017. #

Amy, a heroin addict for over six years, stands in the Kensington section of Philadelphia on July 21, 2017. #

Jimmy, a heroin addict from South Jersey, showers and washes his clothes in an open fire hydrant in Kensington on July 21, 2017. #

A man administers Narcan as he tries to revive a man who overdosed on heroin in Kensington on July 21, 2017. The man later came to and was taken to the hospital. #

Sneakers hang from phone lines near what was a heroin-shooting gallery in Kensington on July 31, 2017. #

Makeshift privacy construction at a heroin encampment in Kensington on April 10, 2017. #

A man injects himself in the foot with heroin near a heroin encampment in Kensington on April 14, 2017. #

A Philadelphia police officer patrols under a bridge near a heroin encampment in the Kensington neighborhood of Philadelphia on April 14, 2017. #

Used needles are left behind in what was a heroin-shooting gallery in Kensington on July 31, 2017. #