Among the grafitti seen on the walls and doors of the bohemians' garret are: "Non, je ne regrette rien" (1956 song made popular by Edith Piaf), "Bonjour Tristesse" (1954 novel by Francoise Sagan), and "Ceci n'est pas une pipe" (from Rene Magritte's 1929 painting "The Treachery of Images").