Lichtburg cinema, built in 1929, was located at Behm Street 9. Józef Przedpełski went to the cinema there a couple of times.
Since Polish forced labourers were not allowed to visit cultural attractions, he had to hide his identity. As with Jews and people from the Soviet Union, they also had to wear a special cloth patch.
More on these Polish Workers Decrees in the tour “Victims and Perpetrators”, stops 1 and 8