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Abandoned bridge pier at Harpers Ferry, at night [01]
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Abandoned bridge pier at Harpers Ferry, at night [02]
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Abandoned bridge pier at Harpers Ferry, at night [03]
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Abandoned bridge pier at Harpers Ferry, at night [04]
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Abandoned bridge pier at Harpers Ferry, at night [05]
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Abandoned bridge pier at Harpers Ferry, at night [06]
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Metro Center station entrance pylon
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Blue Line train arriving at Arlington Cemetery station
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Pedestrian bridge over railroad tracks [01]
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Pedestrian bridge over railroad tracks [02]
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Pedestrian bridge over railroad tracks [03]
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Pedestrian bridge over railroad tracks [04]
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Pedestrian bridge over railroad tracks [05]
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Pedestrian bridge over railroad tracks [06]
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Washington Metro bridge over Paint Branch Trail
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Green Line train crosses bridge over Paint Branch Trail
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Box culvert under CSX tracks