During the opening of a show the artist climbs over a fake wall to show the public what he does behind it. They can see over/through the wall by using the tools which were put over it. For example a ladder, a hole, a rope or a periscope all give different possibilities to see the other side. As a large graffiti, the tools leave a message, stating what just happened.
2010, …in the grey zone, z33, Hasselt)