Artists Dre Urhahn and Jeroen Koolhaas are collaborating with the locals from Rio de Janeiro's low-income neighborhoods, called favelas, to re-invent the look and living conditions of their neighborhood. On their website they write, "The core of our idea is to help" [improve the neighborhood] "by painting an entire hillside favela. Not in a uniform color, but with each house colored according to an elaborate plan so that the hillside will depict a huge image visible from prominent places in the city center."