Poznań Fortress
Poznań Fortress (in Polish: Twierdza Poznań, in German: Festung Posen) was a set of fortifications in the city of Poznań in western Poland, built under Prussian rule in the 19th and early 20th centuries. It was one of largest systems of its kind in Europe.
Poznań Fortress Media
Figure of Archangel Michael by Ludwig Stürmer, 1855, from the former Eichwald Thor (moved in 1908 to a school building on today's ul. Słowackiego)