Sylvie Patry, Director of Conservation and Collections at the Musée d’Orsay and Anne Robbins, Curator of painting, at the Musée d’Orsay, reveal the origins of the project and the scientific choices of the exhibition "Impressionist Decorations". They explain the complexity around the research of the works, the scenographic choices and how these great works were conceived as decorations by the Impressionists.