For the map enthused!
Rules:
post relevant content: interesting, informative, and/or pretty maps
be nice
It's not just missing because of political reasons. It's also missing because the Eastern German authorities wanted to make escape to West Berlin as hard as possible. If you have no map of what the other side looks like, it's harder to plan your escape.
That’s a political reason as well.
There‘s a great episode of Map Men covering this map and a few other, similar ones.
I've seen it many times (it's downloaded on my phone) and still laugh at the wizard