Cannons of the island of Siarö

Panorama of the fort taken from its southern tip is shown. In the foreground is the south 152 mm gun turret is seen, a little further the north gun turret is visible. The surface of the rocks above the dungeons of the fort is covered with a meter-thick concrete layer, on the top of which a neat screed is made. All of that is done for hydro-isolation apparently . The surface of the concrete repeats the rocky terrain.