Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
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 pronouncing his speech during the opening of the exhibition “Vision in Motion – Motion in Vision”
Photo, 1959 Yves Klein during his presentation at the exhibition "Vision in Motion - Motion in Vision"
Photo, 1959 Soto during the Opening of the exhibition “Vision in Motion - Motion in Vision", Hessenhuis, Antwerp
Photo, 1959 Jean Tinguely during the Opening of the exhibition "Vision in Motion - Motion in Vision", Hessenhuis, Antwerp