Ключевые слова: alternative, blue, cable, construction, country, danger, distribution, electricity, energy, engineering, environment, equipment, europe, frame, generation, grass, green, grid, high, horizon, hydraulic, industry, infrastructure, lake, landscape, line, meadow, metal, nature, outdoor, plant, pole, power, pylon, river, row, rural, sky, steel, structure, summer, supply, tall, technology, tower, transmission, volt, voltage, water, wire,