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Glory of the Chinese Descendants [01]
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Glory of the Chinese Descendants [02]
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Mt. Vernon Square station [01]
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Gallery Place-Chinatown station entrance pylon
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Rosslyn station entrance pylon [03]
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Dupont Circle station entrance pylon
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CTA Davis station [01]
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Purple Line train at Davis 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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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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Columbia Heights station entrance
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Metro Center station entrance pylon
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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 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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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]
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Simplex pull station at 223 Walnut Street [04]
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Simplex pull station at 223 Walnut Street [05]
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Simplex pull station at 223 Walnut Street [02]
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Rosslyn station entrance pylon [04]
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Rosslyn station entrance pylon [05]
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Siren at United Steam Fire Engine Company #3
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Mircom door release pull station at Mount Airy Plaza
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Vintage New York Subway signage [01]
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Fire alarm at the New York Transit Museum
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Vintage fire alarm call box at New York Transit Museum
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Red Wheelock RSS strobe at New York Transit Museum
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Rules sign at East 55th Street station
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No smoking sign at East 55th Street station
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Emergency call box beacon at East 55th Street station
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Signal X-238 at East 55th Street station
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Route selector box at East 55th Street station
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Cleveland RTA rail yard
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Marker graffiti at East 55th Street station
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Marker graffiti at East 55th Street station
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Green Line train at East 55th Street station
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Red Line train arriving at East 55th Street station
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Fire alarm at 2200 Hamilton Street [04]
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Gamewell fire alarm telegraph box at 16 Baltimore Street [01]
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Gamewell fire alarm telegraph box at 16 Baltimore Street [02]
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [01]
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [02]
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Gamewell fire alarm telegraph box at East Walnut and South Railroad Streets [03]