Ключевые слова: abstract, airport, architecture, bank, blue, blur, built, business, ceiling, center, centre, city, commute, escalator, fast, floor, hall, hallway, indoor, inside, interior, lift, light, mall, metal, modern, motion, move, moving, office, passage, perspective, road, roof, speed, stair, staircase, stairway, station, steel, step, terminal, traffic, transportation, urban, violet, walk, walkway, way, workplace,