Ключевые слова: airport, architecture, background, building, business, center, city, design, elevator, escalator, floor, glass, hall, indoor, indoors, inside, interior, lift, light, mall, metal, metro, modern, motion, move, moving, office, people, perspective, public, retail, shop, shopping, speed, stair, staircase, stairs, stairway, station, steel, store, subway, technology, transport, transportation, travel, up, urban, walk, walkway,