The works of Christo and Jeanne-Claude are monuments of transience. Gigantic in scale, they are always temporary, created to exist only for a limited time and to leave unique, unrepeatable impressions. “From the smallest of the Packages made in Paris in the early 1960s, to the delicate pattern of hundreds of branches embraced by a translucent fabric veil... in Christo and Jeanne-Claude’s works there is nothing abstract, nothing imagined