Hans Baluschek “Sommernacht”, 1929 (now in the collection of Berlinische Galerie, Berlin-Kreuzberg)

And I am thinking about how each return to Berlin made my heart beat faster. How blessed I felt as a child when after four weeks of holidays I finally saw from the train the tall buildings of Berlin’s East, the tenements. Yes, the grey tenements of my hometown, Berlin.

Or when, as a grown-up man, I had to keep my lips from trembling each time I came back from foreign lands after long months of absence. How tears rolled down my face when in December 1918 – having fled the bloody killing, that whole misery and chaos – I returned from France and saw the first houses of Berlin, at night, by moonlight.

From the introduction to Adolf Heilborn’s 1925 book Die Reise nach Berlin, first published in 1921 as a series of articles for the local newspaper, the “Berliner Morgenpost”. (Translation own)