You might like Left Right Six Geometric Figures ( Two) (Wall Drawings) Sol LeWitt 1980–1 The Wall Boyd and Evans (Fionnuala Boyd; Leslie Evans) 1986 Scratching Both Walls at Once Rebecca Horn 1974–5 Poem Wall Saloua Raouda Choucair 1963–5 Red Cloth with Stretcher Reiner Ruthenbeck 1973 Corner Cloth Reiner Ruthenbeck 1974, 1975 Walls Paper Gordon Matta-Clark 1972 White Painting Michael Buthe 1969 Moss wall Olafur Eliasson 1994 Diminishing Square Thickness Ann Sutton OBE 1965 Basin Kiki Smith 1990 The Wall Nike Davies-Okundaye 1994