For the last few years, Diesel has held annual competitions to create an ad campaign to dominate the walls of major cities.
Since "Big ideas need big spaces," the Diesel Walls are ready for updated expansions in New York, Manchester, Zurich and Barcelona. As a result, the Italian fashion label has launched an international art contest in which they're encouraging everyone - from professional designers to amateur artists to activists who see the potential to spread awareness through the campaign - to submit their vision for the walls.
Featured in the gallery is the first Call-To-Action wall which appears in Zurich, Switzerland. It was created by Myriam "Mizzo" Gamperli. The other images show the blank spaces in the aforementioned cities which will be painted at the end of the contest.
More information can be seen at Diesel Wall 2008.