Ключевые слова: abstract, abstract background, adolescence, aged, america, apartment, architecture, background, blue, building, building exterior, business, career, city, climbing, concrete, construction, contemporary, design, door, down, emergency, escape, exit, exterior, external, fire, high, industrial, industry, iron, iron ladder, ladder, metal, modern, nobody, old, outdoor, outside, safety, stair, staircase, stairway, stairwell, steel, step, structure, up, urban, wall,