Ключевые слова: abstract, airport, architecture, building, business, ceiling, city, clean, design, elevator, escalator, floor, futristic, future, hall, handrail, indoors, inside, interior, light, mall, metro, modern, move, panorama, people, public, roof, sepia, speed, stair, staircase, stairway, station, steel, step, subway, technology, transport, transportation, travel, urban, walk, walkway, way,