Ключевые слова: blue, bright, bulb, city, clear, concept, consumption, creative, danger, day, ecology, economy, efficiency, electric, electricity, energy, environmental, equipment, green, heat, high, illuminate, illumination, lamp, lamppost, lantern, lighting, modern, nature, outdoor, plant, pole, power, problem, reuse, saving, shine, sky, solution, steel, street, streetlamp, streetlight, sustainable, tree, urban, waste, wasting,