Ключевые слова: architectural dome, architecture, basilica, basilique du sacre coeur, blue, building exterior, capital cities, cathedral, catholicism, christianity, church, city, cloud, cloudscape, day, dramatic sky, europe, european culture, facade, famous place, france, french culture, grass, hill, history, horizontal, iledefrance, international landmark, knight, montmartre, monument, no people, outdoors, paris, praying, religion, religious symbol, sky, spirituality, sunny, sunrise, tourism, tower, travel, travel destinations, western europe,