Ключевые слова: architecture, autumn, barcelona, blue, broadcast, building, catalonia, city, communication, connection, design, electrical, forest, foster, frame, green, hiking, hill, horizon, landmark, landscape, mediterranean, modern, radiation, radio, receiver, sea, signal, signals, sky, spain, spike, summer, sunset, technical, technology, telecom, telecommunications, television, tibidabo, tower, transmission, transmitter, travel, trees, tuner, view, walking,