When passing by the feldherrnhalle memorial for the marthyrs of the putsch 1923 you were obliged to do the Hitler salute.
Then Image: WW2 Then in Now, Cor Sleutel
https://www.ns-dokuzentrum-muenchen.de/home/
(i took this photo of a photo in the documentation center)
Now Image: WW2 Then in Now, Cor Sleutel