Ключевые слова: abstract, architecture, barcelona, blau, building exterior, built structure, business, catalonia, cement, city, cityscape, concrete, contemporary, design, diagonal, district, forum building, futuristic, geometric shapes, glass, international trademark, internet, lamppost, mobile, movistar, museum, office building, phone, sky, skyscraper, spain, street, technology, telecommunications, telefonica, tower, triangle, urban scene, wall, zero,