The German fortress of Kustrin is blown up as part of the agreement signed at Versailles.
Full title reads: "Germany. 12 Years After Versailles. Giant fortress of Kustrin which protects Berlin on East - one of the last now left in Germany - destroyed under terms of Peace Treaty."
Shots of the rubble remains of the fortress of Kustrin.
Dynamite explodes and more of the structure crumbles. Various shots of explosions.
N.B. Various fortresses were destroyed to disarm Germany after the end of WWI.