With the installation âthe chicken-and-egg-no-problemâ wall-painting at Museum Ludwig in Cologne, Germany, German artist Tobias Rehberger presents some 40 works from 15 years of creative production. Spread along 70 meters the visitors to the exhibition encounters Tobias Rehbergerâs paper flowers, his âvase portraitsâ, lamps made of Velcro tape, objects made of Perspex, âvideolibrariesâ, chairs reminiscent of designer classics, limbs mounted on plinths.