Marie Orensanz, Pensar es un hecho revolucionario, 1974. Drawing on paper, 50 x 70 cm (69.5 x 89.5 cm with frame), unique. Courtesy of Roman Road and the artist. © Ollie Hammick

Marie Orensanz, Pensar es un hecho revolucionario, 1974. Drawing on paper, 50 x 70 cm (69.5 x 89.5 cm with frame), unique. Courtesy of Roman Road and the artist. © Ollie Hammick