Ключевые слова: activity, apartment, architecture, background, block, blue, build, building insulation, city, concept, construction, construction site, crane, design, development, elevator, engineering, estate, foreman, high, house, illustration, industrial, industry, lift, metal rod, mud brick, new, night, progress, project, red, rise, safety, site, sky, steel, steel beam, structure, under, urban, white, work, worker,