Ключевые слова: architecture, audiovisual, background, building, christmas, city, cityscape, communication, december, design, europe, european, evening, famous, festival, futuristic, glowing, historic, installation, landmark, light, madrid, neon, night, old, palace, performance, polygonal, projection, projection mapping, rays, seamless, spain, spanish, square, stage, stars, street, strokes, structure, sunset, techno, technology, tourism, tower, trance, travel, urban, view,