Graffiti made by Lake13. The artist was born at the Black Forest (Germany). He grow up in Belgium and lives now in the Netherlands. Lake13 belongs to the pioneers of the local graffiti scene. After his Design-Study, he runs a creative graffiti working place and works as an art-lecture. His work also implies the planning and realization of mural art and graffiti projects. His artworks can be found around the city of Aachen and Städte-Region.
www.graffiti-aachen.com
www.vandalismdoesntexist.com 
Wikipedia DE - "Lake13"