Christiansø Fortress is one of the historic Norwegian fortresses, which commands the western approaches to Flekkerøy harbor, at Kristiansand municipality in Norway.
Christiansø Fortress is one of the historic Norwegian fortresses, which commands the western approaches to Flekkerøy harbor, at Kristiansand municipality in Norway. (en)
Christiansø Fortress is one of the historic Norwegian fortresses, which commands the western approaches to Flekkerøy harbor, at Kristiansand municipality in Norway. (en)