Ключевые слова: activity, architecture, blue, brown, built, business, cement, circle, civil, constructing, construction, constructional, constructive, crane, development, district, earth, engineering, equipment, exterior, grass, green, high, home, house, housing, industrial, industry, machine, machinery, material, ownership, part, reinforcement, residential, roof, safety, scene, site, structural, structure, tall, urban, vertical, vertical photo,