Ключевые слова: architecture, background, black, blue, building, business, civil, community, company, concept, concrete, construction, contractor, crane, development, engineer, engineering, environmental, equipment, estate, helmet, high, home, house, housing, industrial, industry, manual, men, occupation, people, professional, project, real, safety, scaffolding, silhouette, site, sky, steel, structure, success, sunset, team, teamwork, tool, urban, white, work, worker,