Both walks led by Eckehard Heiber.
28 December: Historical city walk through Mitte, part of it in my Kiez, or almost – the route on MapMyWalk here. (I left the walk a little more than half way through).
31 December: Another historical city walk from Blankenfelde via Rosenthal to Schönholzer Heide. The route on MapMyWalk here.
Took these when I was nearly home: