We are never through with Potsdamer Platz...

 

Iconic Potsdamer Platz in the 1920's. With a great number of hotels, restaurants and other attractions, not to mention two train stations just to the south, the Tiergarten and the Brandenburger Tor to the north and Leipziger Platz with its government offices and the large Wertheim Department store to the east, this place was the busiest intersection in Europe. More, much more about it, clicking on the line below:

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Above, Potsdamer Platz seen from a side street, probably Potsdamerstrasse. In the background, the notorious traffic light can be perceived.

 

Above, another side street, the Ebertstrasse, which led to Potsdamer Platz.  Around 1927.  (published in Tempo 06.11.1930 (Photo by ullstein bild/ullstein bild via Getty Images)