Ключевые слова: architecture, art, billboard, blue sky, buildings, business, cityscape, civic space, clean, commercial, contemporary, cultural, diplomatic, diversity, europe, expo, flags, flags display, glass, global, global unity, headquarters, international, landmark, lisbon, modern, modernity, multicultural, nations, office building, park of nations, peaceful, perspective, plaza, pole, portugal, skyline, summer, sunlight, tourism, travel, unity, urban, urban lisbon, vibrant,