Ключевые слова: architecture, background, blue, build, builder, building, business, civil, column, commercial, concrete, construction, construction site, crane, development, energy, engineer, engineering, equipment, estate, group, harness, harnesses, helmet, high, industrial, industry, infrastructure, labor, men, people, power, project, safety, scaffold, scaffolding, silhouette, site, sky, steel, structure, structures, sunset, teamwork, technology, work, work at height, worker, workplace,