Ключевые слова: architecture, backgrounds, blue, bright, building, ceiling, close, closeup, dark, design, electric, electricity, engineer, engineering, equipment, factory, fire, fuel, futuristic, generation, glass, glowing, heat, illuminated, indoors, industrial, industry, lamp, lighting, lights, machinery, material, modern, natural phenomenon, night, nightlife, power, red, row, science, shiny, side, steel, structure, supply, technology, temperature, up,