Ключевые слова: activity, architecture, beginning, blue, bright, building, built, business, city, concrete, construction, crane, development, dusk, engineering, equipment, estate, frame, helmet, high, housing, industrial, industry, lifting, machine, metal, occupation, orange, outdoor, project, property, real, red, scaffolding, scenic, silhouette, site, sky, skyscraper, steel, structure, sun, sunlight, sunrise, sunset, tower, twilight, urban, work, yellow,