Like, duh. That’s because it’s already been built.
A 12-foot high barrier – higher than the Berlin Wall – is being erected in the German city of Munich to protect locals from young refugees who are set to move into the area.
Sie hatten wirklich keine Vorahnung?
Observing Hermann 
I doubt whether any non-germans, or even many younger germans, would recognise the Ulbricht (who?) quotation you used as a title.