panorama with alps of fortress, fort kluze, german: flitscher klause. fortification for world war during isonzo front. bovec,

activity alps attraction battle bovec building castle chain complex countryside defense destination domestic europe flitsch fort fortification fortress front gorizia heritage historical hotspot isonzo klause kluze kluafrac34 koritnica landmark landscape large mount mountain national nature panorama peak protection residence sightseeing slovenia stone strong stronghold tourist travel valley wall war world