Regelbau 502 opened to public in Pisz (Poland)

Earlier than planned, the Regelbau 502 of Stp Johannisburg (nowadays Pisz), is opened to the public. It’s the first bunker out of several which will be included in a bicycle tour in the future. In the beginning of this year the bunker was still covered with earth and litter but the historical group ‘Piska Pozycja Ryglowa’ […]