One of the exhibits at Hessenpark is called Flight and Explusion, Refugees were packed into railcars and transported back to Germany. Behind the slats on the wall in the railcar part of the exhibit were monitors that played a video of the view from the car as it was moving along.

https://www.hessenpark.de/en/lexikon/dauerausstellungen/vertriebene-in-hessen/

https://www.hessenpark.de/en/lexikon/historische-gebaeude/baugruppe-mittelhessen/scheune-aus-damshausen/