Jánska
(code-named "Zechstein")
The production of aircraftpards for Junkers, Messerschmitt and the helicopter were made here for the Wehrmacht. There were approximately 17,500 m² 82,000 m² of the planned system of tunnels driven into the sandstone massif "Rabstein" today and give a power of 4.5 km long. After the war was a part of the system of the Czechoslovak army as a tank farm with several million liters used, the other part was the Soviet army to the withdrawal of the early 90s in use.