Ключевые слова: architecture, astronomy, belem, blue, building, calouste, capital, ceiling, city, cityscape, clouds, culture, day, daylight, de, dome, domed, educational, entrance, europe, european, facade, gulbenkian, landmark, landscape, lisboa, lisbon, museum, nasa, nature, people, planetario, planetarium, portugal, portuguese, research, scene, science, sight, sky, space, sunny, tourism, travel, tree, view, window,