Ключевые слова: abstract, alley, animals, background, blue, cable, city, community, concept, construction, danger, day, development, distribution, doves, electrical, electricity, empty, environment, fly, friends, high, industry, infrastructure, light, line, looking, metal, network, outdoor, peace, pigeon, pillar, pole, pollution, power, problem, pylon, shadow, silhouette, sky, steel, street, structure, supply, tall, technology, town, urban, wire,