Ballum Sluse (Lock of Ballum) was begun 1914 but when WW1 began the construction was stopped for a while. 1915 the Germans began to build it up again mostly by French and Russian POWs.
Ballum Sluse (Lock of Ballum) was begun 1914 but when WW1 began the construction was stopped for a while. 1915 the Germans began to build it up again mostly by French and Russian POWs.
Canals, Objects - Misc 
