This is the block for the main entrance.
Here you see the eastern block.
Along the canal several blocks are present.
This could have been the idea for the German army how to design her 648 for Mg.
One of the blocks that had to protect the upper level.
The moat in the east had an antitank wall with multipurpose blocks at the corners.
This cupola protected the eastside with the important canal with the locks.
With a view at the dry moat.