It's time for Where Is This?

Once again fellow Pond5 contributors and clients, it's time to play Where Is This, the uncompensated game of thankless effort but perverse curiosity where you identify the location and the period this vintage footage. I think this is somewhere in Germany, perhaps Berlin or maybe Austria (what do I know!).

I submit for your consideration:
https://www.pond5.com/stock-footage/12208454

I don't know but I think I saw my mother there.

Was she alive?

She was alive in the past.