Ключевые слова: architecture, blue, building, business, capital, city, cityscape, construction, cuatro torres, curtain, curtain wall, destination, development, district, downtown, economy, engineering, espacio, europe, european, facade, financial, glass, highrise, hotel, investment, landmark, low angle view, madrid, market, minimalism, minimalist, office, property, real estate, sightseeing, sky, skyscraper, spain, spanish, steel, structure, tall, technology, tourism, tower, travel, urban, vertical, wall,