You might like Left Right Variable Piece No. 44 Douglas Huebler 1971 The Diamond Cutter’s Wedding Dennis Oppenheim 1980 A Hundred Mile Walk Richard Long CBE 1971–2 Salt Flat Dennis Oppenheim 1968 Site Sculpture Project, Windham College Pentagon, Putney, Vermont Douglas Huebler 1968 Untitled Richard Long CBE 1967 Cerne Abbas Walk Richard Long CBE 1975 The Crossing Place of Road and River. A Walk of the Same Length as the River Avon: An 84 Mile Northward Walk Along the Foss Way Roman Road Richard Long CBE 1977 Reverse Processing, Cement Transplant, East River, NY, 1970 Dennis Oppenheim 1978 Ithaca Mirror Trail, Ithaca, New York Robert Smithson 1969 Directed Seeding - Cancelled Crop Dennis Oppenheim 1969 Parallel Stress Dennis Oppenheim 1970