Wikipedia has a truly epic article on the fortifications of the border between two Germanys, which really hammers home the sheer extent to which the DDR had to

Wikipedia has a truly epic article on the fortifications of the border between two Germanys, which really hammers home the sheer extent to which the DDR had to go to keep people from escaping. https://en.wikipedia.org/wiki/Fortifications_of_the_inner_German_border https://en.wikipedia.org/wiki/Fortifications_of_the_inner_Ge...