For further information, here are some links which I may not have included in previous posts:

https://www.thf-berlin.de/en/location-information/history-of-location/chronicle/

https://www.airspacemag.com/history-of-flight/above-amp-beyond-the-village-of-tempelhof-9924004/

https://www.mil-airfields.de/germany/berlin-tegel-airport.htm

Saturday’s route: https://www.komoot.com/tour/368555710

This woman nodded her permission for me to take photos without asking what they were for or whether she might see them. I’m guessing she is not German :-).

Nearly back home on Saturday, what looked like an environmental disaster on Landwehrkanal but I think it is a natural phenomenon, and two children playing hide and seek outside the Jewish Museum.