Two round fortification towers with a half-timbered structure and pointed helmet roof characterize the city fortifications opposite the cemetery. The bridge tower probably served as a guard room for the nearby climbing gate. The case master was quartered in the case master tower , he was responsible for the disposal of animal carcasses and was not one of the most respected professions.In the place of the little houses on the city wall, which have been lovingly renovated today, there used to be a wooden battlement with wooden huts.