Story presented in the cult American film "The Great Escape" from 1963 with Steve McQueen has its continuation in the Polish city of Szczecin 

situated 200km from Berlin.

The Great Escape info 1
Tunnel Harry Inside the tunnel named Harry
The Great Escape info 2
Tunnel Harry
The Great Escape info 3
Tunnel Harry Ladder used by the 76 men to make their escape from camp
The Great Escape info 4
The Great Escape A trolley carrying dirt from Harry