There’s two communist theme bars in Poznań, and this place has the lower profile, the non-existent marketing budget, and a tiny entrance that’s easy to miss. But it’s certainly not second best, and if anything its underground chambers make it all the more convincing in its role as a hidden piece of history. Packed with memorabilia from the People’s Republic, and that includes pictures of Soviet icons and even a riot shield once used to suppress the striking proletaryat.