Exhibition, 15 Jun 1959 - 30 Jun 1959 Bas-reliefs dans une forêt d'éponges Galerie Iris Clert, Paris, France
Exhibition, 31 Mar 2016 - 31 Jan 2017 Pierre Descargues et Yves Klein - 160gr d'or Hiekka Art Museum, Tampere, Finland
Exhibition, 9 Jun 2018 - 16 Sep 2018 Cosmogonies - Au gré des éléments MAMAC - Musée d'Art Moderne et d'Art Contemporain de Nice, Nice, 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