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Robert Zijlstra: Swanboats @ The Lagoon, Public Gardens, Boston, MA
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Robert Zijlstra: New England Aquarium, Boston, MA
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Robert Zijlstra: Traffic Pole @ Public Garden, Boston, MA
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Robert Zijlstra: John Hancock Tower, Boston
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Robert Zijlstra: John Harvard Statue, Harvard University
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Robert Zijlstra: Street Sign, Harvard University, Cambridge, MA