Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Photo, 1961 Paul Wember, Rotraut Uecker and Yves Klein in front of "Column of Fire" during the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange