Ключевые слова: aged, background, banister, block, blue, building, cement, climb, concrete, construction, cracked, dirty, equipment, flight, gray, guardrail, handhold, handrail, industrial, industry, ladder, landing, material, mesh, messy, metal, old, outdoors, parapet, plaster, platform, rail, railing, red, rough, sky, spattered, stained, staircase, stairs, step, stone, stonewall, structure, stucco, surface, texture, upstairs, urban, wall,