Ключевые слова: alternative, background, beach, bright, bulb, burn, concept, creative, dawn, daylighting, ecology, edison, electric, electricity, energy, engineering, environment, glass, glowing, hand, holding, idea, illuminated, imagination, incandescent light bulb, innovation, lamp, lamp light, light, light bulb, man, nature, object, posing, power, saving, science, sea, shine, silhouette, sky, solar, source, sun, sunrise, sunset, sunshine, symbol, technology, tungsten,