Kleistpark -> Heinrich-von-Kleist-Park (which is the official name of the park), split Bülowstraße (the maxspeed-30 zone is rather small!); added historic to Kammergericht

That "Untere Brücke" goes beyond the bridge is visible from a street sign. The strange bifurcation of Karolinenstraße is correct. I checked it with people in the shops there and phoned the "Vermessungsamt". It's strange, but correct.

… und hier.

Habe jetzt mal meine ersten Edits auf OpenStreetMap gemacht. Zuerst in Berlin.