Ключевые слова: attraction, background, blue, building, cable, city, cityscape, downtown, electric, electrical, electricity, energy, europe, famous, high, historic, history, line, lisboa, lisbon, network, night, old, overhead, portugal, portuguese, power, railway, sky, steel, street, symbol, tourism, tourist, traditional, traffic, tram, tramway, transport, transportation, travel, urban, voltage, white, wire, wires, yellow,