Ключевые слова: architecture, bicycle, bike, bike carrrier, bike rider, bike riding, building, building facade, carrier, center, city, crosswalk, dc streets, district, downtown washington, financial, landmark, man biking, modern life, museum, national museum of national history, office, outdoor, park, parking on the street, parking system, people on the street, residential, roman architecture, roman columns, roman style, scene, sidewalk, streets, tour, tourism, tourism dc, transportation, trasportation system, travel, united states, urban, usa, usa transportation, washington dc, washington dc museum, washington dc streets,