A spanish art collective, Boa Mistura, composed of five ‘graffiti rockers’, has organized a participatory urban art project in vila Brâsilandia, one of the favelas in São Paulo, Brazil. The artists, whose name comes from the portuguese for ‘buena mezcla’ (‘good mixture’), worked with residents to paint and reface the winding ‘vecos’ and ‘vielas’ of the favela with uplifting messages. Viewed from the proper angle and distance, the works cause words like ‘beleza’ (‘beauty’) and ‘orgulho’ (‘pride’) to seemingly float in the passageway, thanks to an illusion effect based on the careful painting of stretched-out text in accordance with the 3D perspective. ♥