skridskopaviljongen in kastellholmen island. aerial view photo of sweden capital

architecture capital church city cityscape europe scenic scandinavian scandinavia panorama landscape landmark skyline stockholm sweden tourism travel tower water scenery panoramic gamla stan stadsholmen palace drone aerial town old swedish harbor north center harbour riddarholmen townscape urban kastellet kastellholmen castle citadel islet skridskopaviljongen skridsko paviljongen