I have doubts about the border's high-resolution detail.

All even high-fidelity DMZ maps I can find have nowhere near that precision, and certainly don't have those wiggles.

Any source for that?

Local knowledge/survey required:
Fix/separate rather insane house number cluster.

Local knowledge/survey required:
Fix/separate rather insane house number cluster.

What's going on here with the city boundary vs. other borders/the demarcation line?

I somehow don't think those should cross…