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14th Street Bridge [02]
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14th Street Bridge [01]
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Glory of the Chinese Descendants [01]
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Glory of the Chinese Descendants [02]
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Old Town Alexandria [01]
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Old Town Alexandria [03]
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Old Town Alexandria [02]
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Shady Grove station entrance pylon
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Woodley Park-Zoo station entrance pylon
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Woodley Park-Zoo/Adams Morgan station [01]
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Woodley Park-Zoo/Adams Morgan station [02]
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Anacostia station entrance pylon
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Columbia Heights station entrance pylon
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Mt. Vernon Square station [01]
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Dunn Loring station entrance pylon
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Gallery Place-Chinatown station entrance pylon
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Entrance to Forest Glen station
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New York Avenue station entrance pylon [01]
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New York Avenue station entrance pylon [02]
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3000-Series train arriving at Van Dorn Street station
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Blue Line train arriving at King Street station
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Blue Line train at King Street station
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Forest Glen station entrance pylon
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Yellow Line train at King Street station
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Rosslyn station entrance pylon [03]
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New trash can at King Street station
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Dupont Circle station entrance pylon
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Yellow Line train at Van Dorn Street
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New York Avenue station entrance pylon [03]
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CTA Davis station [01]
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Purple Line train at Davis station [01]
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Outbound Blue Line train at King Street
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Federal Triangle station entrance pylon
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Escalators at Rosslyn station [01]
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Dupont Circle station entrance pylon, stripped [01]
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Dupont Circle station entrance pylon, stripped [02]
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Uncovered Dupont Circle station entrance pylon
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Stair to Red Line at Park Street station
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CTA Davis station [02]
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Purple Line train at Davis station [02]
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Yellow Line train departing King Street station
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Yellow Line train approaching King Street station
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Bell System manhole cover in Durham, New Hampshire
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Fire alarm upgrade at 1616 P Street NW [01]
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Fire alarm upgrade at 1616 P Street NW [02]
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Columbia Heights station entrance
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Forward on Climate Rally [09]
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Forward on Climate Rally [08]
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Forward on Climate Rally [07]
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Forward on Climate Rally [06]
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Metro Center station entrance pylon
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Abandoned rowhouse at North Calvert and East Read Streets [01]
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Abandoned rowhouse at North Calvert and East Read Streets [02]
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Abandoned rowhouse at North Calvert and East Read Streets [03]
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Fire alarm pull station at New Street parking garage [01]
Intersection of Shenandoah and Potomac Streets in Harpers Ferry
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Interstate 83 Business Loop shield [03]
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Interstate 83 Business Loop shield [02]
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Interstate 83 Business Loop shield [04]
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Interstate 83 Business Loop shield [01]
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Fire alarm pull station at Citizens Building [03]
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Fire alarm pull station at Citizens Building [01]
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Fire alarm pull station at Citizens Building [02]
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Fire alarm horn/strobe at Citizens Building
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Sign assembly in Marathon, New York [03]
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Sign assembly in Marathon, New York [02]
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Sign assembly in Marathon, New York [01]
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Decommissioned Gamewell fire alarm box [01]
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Decommissioned Gamewell fire alarm box [02]
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Fire alarm pull station at Hudson's Bay Queen Street [01]
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Fire alarm pull station at the Sheraton Centre
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Fire alarm pull station at the Banting Institute
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Bell Canada manhole cover [03]
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Bell Canada manhole cover [02]
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Bell Canada manhole cover [04]
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Bell Canada manhole cover [01]
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Mircom fire alarm at 495 King Street West
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Simplex pull station at 223 Walnut Street [01]
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Simplex pull station at 223 Walnut Street [06]
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Simplex pull station at 223 Walnut Street [03]