Exhibition, 11 Apr 1961 - 29 Apr 1961 Yves Klein le monochrome Leo Castelli Gallery, New York, United States
Exhibition, 29 May 1961 - 24 Jun 1961 Yves Klein le Monochrome Dwan Gallery - Los Angeles, Los Angeles, United States
Artwork, 1961 Cité climatisée - Accès à l'éden technique [Climate-controlled City - Access to Technical Eden]