The mystery of MRU – Impressive system of fortification near Gorzów Wielkopolski in Poland
In Polish, it is known as Międzyrzecki Rejon Umocniony, in short MRU. You can recognize it under the English name Fortified Front Oder-Warthe-Bogen and German The Festungsfront Oder-Warthe-Bogen. It was a fortified military defense line of Nazi Germany. Now it is […] More