Ключевые слова: architectural, architecture, assembly, been, blue, building, capital, center, city, congress, constitution, council, country, day, democracy, eu, europe, european, exterior, flag, government, hall, historic, historical, history, house, institution, landmark, law, luxembourg, mayor, modern, national, office, outdoor, parliament, politics, power, sky, street, structure, symbol, travel, union, united, urban, window,