The semi-permanent and ever-changing nature of landscapes make them more vulnerable than buildings. Deferred maintenance and neglect can erase key components of a design. A considerable number of significant landscapes have been lost during this century to demotion or have been altered beyond recognition.
Laurence Halprin is perhaps best known for his master plan of The Sea Ranch community on the California coast in Sonoma county and more recently for The Franklin Delano Roosevelt Memorial in Washington D.C. Halprin apprenticed with Thomas Church, the leading pioneer of the contemporary California garden concept.

The fountain in its former glory, and more recently empty and neglected
See also: How Soon We Forget via The Cultural Landscape Foundation for more about endangered Halprin designs and other landscapes. Express your support.