Ключевые слова: architect, black, blueprint, blurred, built, business, business people, civil, civil work, concrete, construction, construction background, construction crane, construction equipment, construction site, construction worker, crane, dawn, development, form works, group, hardhat, helmet, industry, laborers, loaders, look, man, manual, men, occupation, people, pile, profession, scaffolding, silhouette, site, structure, sun, sunset, trucks, worker, working,