Pencil waves are drawings created by Christoph using graphite, caracole and differed kinds of pencils. Christoph Slu: "The lines flow out of my pencil, my fingers, myself. They tell a story. Create a kind of sea, a sea full of reflections and depths. The drawings talk in a language beyond words, thoughts and emotions. Phases of "no-mind flows" are followed by moments of coming back to the surface, adjustments and orientation." although wild at the same time silent you can sometimes hear the dolphins sing CS (2010, 2003)