Ключевые слова: abstract, airport, architecture, blue, blur, business, center, city, climb, design, down, electric, escalator, glass, gray, hall, indoors, interior, lift, light, mall, metal, modern, motion, move, movement, office, people, perspective, public, shop, speed, stair, staircase, stairway, station, steel, step, subway, technology, train, transport, transportation, travel, up, urban, walk, walkway,