Netherland popular artist Karski, paints a train at Engenho de Dentro station, Rio de Janeiro, Brazil, Nov. 3, 2007.
More than 20 street artists participated in the event, sponsored the Supervia commuter railroad and by non-governmental organizations that work with social assistance for youths from slums and poor communities. (AUSTRAL FOTO/RENZO GOSTOLI)

Netherland popular artist Karski, paints a train at Engenho de Dentro station, Rio de Janeiro, Brazil, Nov. 3, 2007.
More than 20 street artists participated in the event, sponsored the Supervia commuter railroad and by non-governmental organizations that work with social assistance for youths from slums and poor communities. (AUSTRAL FOTO/RENZO GOSTOLI)