Ключевые слова: above, aerial, architecture, blue, building, chimney, coal, coalfired, down, drone, electric, electricity, energy, environment, fired, fly, fuel, generating, generator, germany, global, hong, industrial, industry, infrastructure, kong, over, plant, pollution, power, production, sky, smoke, stack, station, steam, technology, top, top down, transmission, tuen mun, view, voltage,