Ключевые слова: america, american, building, bus, capital, car, city, cityscape, columbia, crossing, crossroads, crosswalk, dc, district, district of columbia, downtown, financial, intersection, landmark, line, metrobus, modern, moving, outdoor, passenger, people, public, public transportation, red, residential, riding, road, sidewalk, sightseeing, states, street, tour, tourism, tourist, traffic, transit, transport, transportation, travel, united, united states, urban, usa, vehicle, washington,