Ключевые слова: abstract, aqueduct, background, backlit, brown, building, circle, circles, closeup, drainage, duct, engineering, equipment, fast, futuristic, geometric, graphic, highlight, highlighted, industrial, industry, light, metal, modern, mosaic, objects, pattern, perspective, pipe, pipeline, pipes, plastic, plumber, plumbing, road, shining, speed, stack, steel, sunbeam, sunbeams, sunlight, technology, tube, tubes, tubing, urban, vinyl, wallpaper,