Ключевые слова: 2013, antenna, architecture, autumn, barcelona, blue, broadcast, building, catalonia, city, collserola, communication, connection, design, electrical, forest, foster, green, hiking, hill, horizon, landmark, landscape, mediterranean, modern, norman, november, radio, receiver, sea, signal, sky, spain, spike, summer, sunset, technical, technology, telecommunication, television, tibidabo, torre, tower, transmission, transmitter, travel, tuner, tv, view, walking,