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"Do not hold the doors" signage
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40th Street trolley portal
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Abandoned shopping cart
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Anarchy sign painted in Cumberland, Maryland pedestrian tunnel
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Below-grade passage at the Chrysler Building [01]
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Below-grade passage at the Chrysler Building [02]
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Blue Ridge Tunnel [01]
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Blue Ridge Tunnel [02]
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Blue Ridge Tunnel [03]
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Blue Ridge Tunnel [04]
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Blue Ridge Tunnel [05]
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Blue Ridge Tunnel [06]
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Blue Ridge Tunnel [07]
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Blue Ridge Tunnel [08]
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Blue Ridge Tunnel [09]
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Blue Ridge Tunnel [10]
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Blue Ridge Tunnel [11]
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Blue Ridge Tunnel [12]
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Blue Ridge Tunnel [13]
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Blue Ridge Tunnel [14]
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Blue Ridge Tunnel [15]
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Blue Ridge Tunnel [16]
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Box culvert under CSX tracks
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Broad Street train at City Hall station [01]
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Broad Street train at City Hall station [02]
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Broad Street train at NRG station
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Chain marker in the snow
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Coastal Car Wash [01]
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Coastal Car Wash [02]
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Coastal Car Wash [03]
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Coastal Car Wash [04]
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Coastal Car Wash [05]
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Cryptic Room tunnel
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DJI Air 2S prior to a flight in Pennsylvania
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Dupont Circle north entrance [01]
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Dupont Circle north entrance [02]
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Dupont Circle Q Street entrance
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Dusty Edwards Genesis fire alarm horn/strobe
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Eastbound platform at Lyon station
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Eastbound platform at Parliament station
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Elyse photographs a streetlight [01]
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Elyse photographs a streetlight [02]
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Elyse smiles on a bridge overlooking the Kittatinny Mountain Tunnel
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Elyse wipes down the HR-V [01]
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Elyse wipes down the HR-V [02]
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Escalator to upper level at Nauticus
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Escalators at Dupont Circle station, Q Street entrance
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Escalators at Lyon station
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Escalators at Parliament station
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Face drawn on a wall
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Faregates at Lyon station
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Fire alarm at Lyon station [01]
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Fire alarm at Lyon station [02]
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Fire alarm at Lyon station [03]
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Fire alarm at Lyon station [04]
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Folding seat on OC Transpo car 1106
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Forest Glen station
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Forest Glen station
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Fort McHenry Tunnel, Bore 2
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Fort Pitt Bridge [01]
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Fort Pitt Bridge [02]
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Freight train on CSX Cumberland Subdivision track
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Green Line train entering tunnel portal
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Hampton Roads Bridge-Tunnel, westbound tube
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Hampton Roads Bridge-Tunnel, westbound [01]
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Hampton Roads Bridge-Tunnel, westbound [01]
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Hampton Roads Bridge-Tunnel, westbound [02]
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Hampton Roads Bridge-Tunnel, westbound [02]
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Hampton Roads Bridge-Tunnel, westbound [03]
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Hampton Roads Bridge-Tunnel, westbound [04]
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Hampton Roads Bridge-Tunnel, westbound [05]
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Harpers Ferry tunnel portal
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Honda HR-V at Detroit-Windsor Tunnel duty-free store
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Ilchester Railroad Bridge [01]
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Ilchester Tunnel [01]
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Ilchester Tunnel [02]
Intersection of Shenandoah and Potomac Streets in Harpers Ferry
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Interstate 264 after Midtown Tunnel [01]
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Interstate 264 after Midtown Tunnel [02]
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Interstate 264 after Midtown Tunnel [03]