Ключевые слова: architecture, background, bar, block, blue, build, builder, business, cement, city, column, concrete, construct, construction, crane, design, development, engineering, equipment, foundation, high, home, house, industrial, industry, iron, machine, machinery, metal, outdoor, pillar, pillars, pole, post, rebar, reinforced, reinforcement, rod, rusty, site, sky, steel, structure, support, tall, technology, tower, under, urban, work,