Ключевые слова: ancient, architectural, architecture, ascent, building, corrosion, descent, destroyed, down, downwards, elevator, emergency, escape, exit, exterior, factory, fire, floors, framework, going, grain elevator, high, industrial, iron, ladder, level, metal, old, outside, plant, poor, safety, side, sidewall, staircase, stairs, support, tall, up, upwards, wall,