Ключевые слова: abstract, air, architecture, background, beautiful, beauty, blue, building, buildings, business, city, construction, environment, equipment, evening, factory, gold, gradient, grass, green, home, industrial, landscape, line, manufacturing, metal, nature, orange, outdoor, park, pipe, pipeline, pipes, plant, red, silhouette, sky, smoke, steel, street, sun, sunrise, sunset, technology, texture, tower, warehouses, white, work, yellow,