Ключевые слова: airport, architecture, building, business, city, climb, customers, design, elevator, entrance, escalator, indoors, inside, interior, lift, light, mall, metro, modern, motion, move, movement, office, passenger, pedestrian, people, perspective, shopping, speed, stair, staircase, stairway, station, steel, steps, subway, technology, terminal, train, transport, transportation, travel, up, urban, walk, way,