Ключевые слова: abstract, airport, architecture, background, black, building, business, center, city, electric, escalator, escalators, floor, geometric, interior, line, mall, metal, metro, modern, moving, pathway, pattern, people, perspective, shopping, stair, staircase, stairs, stairway, stand, station, steel, subway, technology, texture, textures, top view, transport, transportation, travel, underground, up, urban, view, walk, wallpaper, way, white, yellow,