Ключевые слова: architecture, blue, brown, building activity, clear sky, color image, concrete wall, construction, construction frame, construction platform, construction site, contemporary, day, directly below, elevator, facade, gray, high up, hydraulic platform, industry, ladder, metal, new, nobody, outdoors, part of, place of work, plastic, scaffolding, sky, sparse, steel, striped, sunlight, tower, vertical, wall,