Ключевые слова: ancient, architecture, baltic, blue, boat, boating, building, europe, finland, finnish, fort, fortification, fortress, harbor, harbour, helsinki, heritage, historic, history, house, island, maritime, military, old, russian, sailing, sea, sky, stone, summer, sunny, suomenlinna, suomi, sveaborg, tourism, tourist, travel, unesco, wall, wood, wooden, world heritage,