This is "Elsa" - the high rise apartment complex in the Elsa-Brändström-Strasse in Mainz-Gonsenheim.
3 blocks, 23 stories, 610 apartments, around 1500 inhabitants.
Featured in a popular docu-soap a couple of years back.
Mrs JB does the rental administration. For the last 20-odd years, in fact.
She could tell you some stories.....