Ключевые слова: ancient, architecture, bastion, castle, citadel, defensive, desolate, donjon, dusk, europe, evening, finland, fortification, fortress, gloaming, history, kuusalmi, lake, landmark, march, medieval, night, nightfall, northern, olafsborg, olavinlinna, old, reflection, saimaa, savonlinna, scandinavia, sky, spring, three, tower, twilight, wall, water surface, winter,