In case of lost childhood

Leon Keer is the master of optical illusion. The 'Dutch JR' plays with perspectives and creates a whole new world. One in which Snow White is stuck under a door. Or a world in which you unexpectedly enter a seventies living room. This is his first monograph. He allows the reader an exclusive look into his world and imagination. How does he work? And how does a wild idea develop into a gigantic 3D artwork?