Wallpaper with a large pattern This is not an optical illusion!The design on them really "flows", miraculously bending around door and window openings, switches, sockets, paintings, photographs and other obstacles in its path. To create an unusual optical effect, designers need little: a detailed plan of the apartment and your sincere desire to live in a house where the walls move and float before your eyes, as if you had eaten too much LSD! www.surrealien.de