Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, 1960 Yves Klein, Léonor Fini, Rotraut and Victor Brauner at the opening of the "Yves Klein le Monochrome" exhibition at the Galerie Rive Droite
Artwork, 1961 Cité climatisée - Accès à l'éden technique [Climate-controlled City - Access to Technical Eden]