kastellholmen red castle in autumn with blue sky background in stockholm, sweden

kastellholmen architecture scandinavian skeppsholmen archipelago scandinavia background reflection historical stockholm cityscape kastellet landscape landmark building waterway vacation colorful european fortress historic nautical morning turning tourism evening capital citadel culture foliage history swedish castle autumn sweden island yellow orange estate aerial europe palace travel sunny trees tower river water space drone blue tree park city copy fall fort town view red sky sea