Ключевые слова: abstract, architectural, architecture, background, building, city, cityscape, construction, contemporary, design, element, emergency, engineering, escape, estate, exit, exterior, facade, fire, handrail, horizontal, industrial, industry, isolated, metal, metallic, modern, old, railing, real, rescue, safety, space, staircase, stairway, steel, steps, structure, upstairs, urban, walkway,