Ключевые слова: activity, animal, bird, building, built, built structure, cloud, communication, construction, construction frame, construction industry, danger, electrical grid, electricity, electricity pylon, electricity substation, elindustrial, empty, energy, engineer, engineering, environment, equipment, fuel and power generation, generator, grid, high voltage sign, high voltage transformer, home, house, industry, life, nature, nest, nesting, pollution, power, power cable, power line, power supply, safety, sky, suburbs, sun, technology, tower, transformer, vertical photo, voltage, wire,