By Doug Gray, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL - Dutch duo Haas&Hahn (Jeroen Koolhaas and Dre Urhahn) are the two artists behind a bold painting project that began in one of Rio’s most marginalized favelas and spread around the world as a unique solution to a longstanding urban problem. Fresh from revitalizing one of Philadelphia’s poorest neighborhoods, the pair are back in Rio and as ambitious as ever.
Finding themselves in Vila Cruzeiro in 2006, between the two painters and members of the local community an iconic, 150-meter mural of a boy flying a . . .