Category:Architecture and Structures
Subcategory:Buildings
Subcategory Detail:
Keywords:DC, DC Subway, District Columbia, Metro, Metro Station, Metrorail, WMATA, Washington, Washington DC, abstract, architecture, ceiling, ceiling vault, cement, concrete, continuous, curve, curved, holes, mono, pattern, rapid transit system, rectangle, shape, street photography, subway, train station, underground, urban, urban abstract, urban lines
