Ключевые слова: airport, architecture, building, business, ceiling, center, city, construct, day, destinations, direction, elevated, elevator, entrance, escalator, exhibition, floor, hall, hallway, handrail, hotel, indoor, inside, interior, light, lobby, metal, modern, move, office, passage, pedestrian, sidewalk, staircase, stairway, station, steel, step, subway, technology, transport, transportation, travel, underground, urban, walking, walkway, way,