Ключевые слова: architecture, blue, boalsert, bolsward, building, center, centre, city, city hall, downtown, dutch, elf steden, elfsteden, elfstedentocht, europe, european, friesland, frisian, hanseatic league, historic, historical, holland, landmark, late renaissance, mannerism, monument, netherlands, old, old town, sky, sudwestfryslan, tower, town, town hall,