Ключевые слова: airport, architecture, building, business, city, deep escalator, design, distance escalator, down escalator, electric stair, elevator, entrance, escalator, escalator people, escalator shopping, escalator side, escalator stair, fast escalator, interior, isolated, isolated escalator, ladder, light, long stairs, mall, modern, new escalator, office, old escalator, perspective, perspective escalator, shopping, slow escalator, stair, stair escalator, staircase, stairs interior, stairway, station, steel, straight escalator, subway, technology stair, train, up escalator, urban, way escalator,