Dust aka David Stegmann is well known for his unique and abstract style, some artworks are really surreal. In this case you need to have some luck to see this wall, it is in the backyard of Pretty Portal, a famous art gallery in Düsseldorf. If the gate is open you can enter, or ask in the gallery, and you will see the work on the left side. Even a new coat of paint was painted exactly around this artwork