© Artists Rights Society (ARS), New York/VG Bild-Kunst, Bonn Photo by Joshua White/JWPictures.com Difesa della natura Joseph Beuys Accession Date: 05/01/06 Accession Number: F-BEUYS-106.493 1984 color offset on heavy paper 23 5/8 x 32 1/4 in. (60.01 x 81.92 cm)