Ключевые слова: blue, cable, cables, calm, clear sky, cloudless, cold, covered, current, distribution, electric, electrical, electricity, energy, frost, frosty, frozen, hoar frost, hoarfrost, infrastructure, insulators, isolator, line, pole, power, power line, scandinavia, skies, sky, snow, snowy, supply, sweden, technology, transformer, transmission, white, winter, wintry, wire, wires, wiring, wooden,