Ключевые слова: air, antenna, architecture, background, blue, broadcast, broadcasting, building, cable, cell, cellular, city, clear, communication, connection, day, electricity, equipment, frequency, global, high, industry, internet, metal, mobile, modern, network, outdoor, phone, radio, satellite, signal, sky, station, steel, structure, summer, tall, technology, telecommunication, telecommunications, telephone, television, tourism, tower, transmission, transmitter, view, wireless,