When Kent Twitchell's six-story-tall "Ed Ruscha Monument" -- a symbolic portrait of a fellow artist -- was painted over, it raised questions about appreciation and preservation of public art.

DISAPPEARING ACT: When Kent Twitchell's six-story-tall "Ed Ruscha Monument" -- a symbolic portrait of a fellow artist -- was painted over, it raised questions about appreciation and preservation of public art.
Photo credit: Robin Dunitz
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