Ключевые слова: abstract, architecture, backgrounds, blue, blurred, blurry, bright, building, business, ceiling, city, corridor, design, diminishing, entrance, flooring, futuristic, glass, hall, hallway, illuminated, indoors, life, long, material, metal, modern, motion, no people, office, people, perspective, photo, point, reflection, speed, station, steel, structure, subway, technology, transportation, travel, underground, vanishing, walking, wall, window,