Ключевые слова: architecture, base, beam, block, blue, board, builder, building, business, cement, city, column, concrete, construct, construction, dirty, foundation, gray, ground, home, image, industrial, industry, iron, labor, landmark, metal, mold, piles, pillar, pole, post, produce, prop, rusty, scaffold, screw, set, site, sky, steel, stilts, structure, support, tool, tower, trade, unfinished, vertical,