Michael Horsley
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Before and after photos of a city's revival

Michael Horsley's photographs of Washington from the 1980s and today illustrate just how much the former murder capital of the US has changed. He took the BBC on a walking tour of a once-blighted neighbourhood.

A quarter of a century ago, Washington DC was hit hard by a crack epidemic and rampant gun violence. Now, once-blighted neighbourhoods close to the centre of the capital are thriving.

Michael Horsley lived in the Shaw/U St community, just two miles from the White House, when the city became known as the murder capital of America in the early 1990s.

Horsley, a street photographer, used to head out with his camera on Sunday mornings just as the drug addicts were passing out and the churchgoers were heading to services.

Today, when he walks those same streets the buildings and the people who live and work in the community look very different.

He talked to the BBC about the city's remarkable transformation. You can see the full BBC report here.

Produced by the BBC's Bill McKenna. Additional filming by Felicia Barr

Altered States is a series of video features published every Wednesday on the BBC News website which examine how shifting demographics and economic conditions affect America on a local level.