Ключевые слова: abstract, architecture, background, blue, blur, blurred, business, center, city, color, colorful, column, commerce, corporate, corridor, destination, empty, escalator, fast, floor, free, glass, hall, hallway, hurry, indoor, inside, interior, mall, metal, metro, modern, motion, moving, passenger, people, person, roof, speed, stair, stairway, terminal, tourist, traffic, transportation, urban, walk, walkway, way, white,