Ключевые слова: activity, architecture, background, big, blue, building, built, business, city, cloud, color, construction, crane, day, development, elevator, engineering, estate, growth, heavy, high, hoisting, industrial, industry, iron, lift, lifting, machine, machinery, mechanical, metal, metallic, mobile, modern, object, project, sky, steel, structure, tall, technology, tool, tower, urban, vehicle, view, white, work, working,