In September 2022, the study tour led to the fascinating fortress heritage around the Bay of Kotor, with fortification structures of the Venetians, the Ottomans, the Habsburg Monarchy, the Second World War, and the Cold War. In addition, the fortresses in Trebinje, Herceg Novi, Dubrovnik, Tivat, and Budva were visited.(Photos: H.-R. Neumann) Expansion of contacts…