>Robert Filliou, Projet de toilettes pour le Musée de Mönchengladbach, 1969.Installation, mixed media, variable dimensions .
>Keith Haring, Zonder titel [Untitled], 1987.Film, acrylic, 330 x 645 cm.
>Hugo Duchateau, De groeiende ladder [The growing ladder], 1987.Sculpture, wood, latex, 190 x 1950 cm.
>James Turrell, Skyspace, 1994.Installation, 6.5 x 6.5 x 5.5 m.
>Christophe Terlinden, The Missing U, 2002.Intervention.
>Enrico David, Zonder titel [Untitled] , 2009.Drawing.