Exhibition, 15 Jun 1959 - 30 Jun 1959 Bas-reliefs dans une forêt d'éponges Galerie Iris Clert, Paris, France
Exhibition, 21 Jul 2006 - 24 Sep 2006 Yves Klein. Der Sprung ins Leere. Pretiosen des Nouveau Réalisme Museum Moderner Kunst Passau Wörlen, Passau, Germany
Exhibition, 11 Jun 2021 - 24 Jul 2021 New Realism = New Perceptive Approaches of the Real Galerie Georges-Phillipe & Nathalie Vallois, Paris, France
Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Photo, 1959 Yves Klein, Iris Clert and Rotraut at the opening of the exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Photo, 1959 Yves Klein at the opening of his exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert