Slums to cities: street art's Pied Piper - CNN.com

Slums to cities: street art's Pied Piper - CNN.com: "For the past seven years he's been traveling to some of the world's most dangerous slums documenting the people he meets with his camera. He then posts his work on walls around the cities he visits.

Now he's in Hong Kong, bringing his images of slum life to the busy streets of one of Asia's financial hubs. One of the world's wealthiest cities may seem an incongruous setting for Ashton's work -- but that's what he wants."