wrapped

Christo and Jeanne-Claude: Wrapped Trees @Fondation Beyeler and Berower Park, Riehen, Switzerland, 1997-98.
178 trees were wrapped with 592,015 square feet (55,000 square meters) of woven polyester fabric (used every winter in Japan to protect trees from frost and heavy snow) and 14.3 miles (23 kilometers) of rope.

Grey sheet

Proposal for the facade of the Bauhaus -University Weimar, by Johannes Abendroth. The idea was to create the shadow of an older library (which is located on the other streetside) with paint. The project received a complimentary award.