yama-bato: Bridget Riley, Héros montant et descendant, 1965, acrylic on canvas, 182.9 x 274.3
yama-bato: Bridget Riley, Héros montant et descendant, 1965, acrylic on canvas, 182.9 x 274.3 cm, © Art Institute of Chicago, Dist. RMN-Grand Palais, © Photo: The Art Institute of Chicago -- source link