Ключевые слова: abstract, airport, apartment, architecture, background, building, business, city, design, elevator, empty, entrance, escalate, escalator, escalators, floor, furniture, glass, handrail, interior, ladder, lift, mall, metal, modern, motion, move, new escalator, people, perspective, public, shopping, stainless, stair, staircase, stairs, stairway, station, subway, technology, train, transport, transportation, travel, underground, up, urban, walkway,