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duaneschermerhorn: Comcast Center, Philadelphia, Pennsylvania
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Barnes Foundation, Philadelphia, Pennsylvania
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Bridge, Philadelphia Pennsylvania
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duaneschermerhorn: Barnes Foundation, Philadelphia, Pennsylvania
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Bourghers of Calais
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Bridge, Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Building
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Skyscraper
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Pennsylvania
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duaneschermerhorn: Philadelphia Pennsylvania
©
duaneschermerhorn: Philadelphia Pennsylvania
©
duaneschermerhorn: Philadelphia Skyscraper
©
duaneschermerhorn: Philadelphia Skyscraper
©
duaneschermerhorn: Philadelphia Skyscraper
©
duaneschermerhorn: Comcast Center, Philadelphia, Pennsylvania