>>7911081>>7915357Fellas, even if you believe in the holocaust, that's artwork depicting a delousing room used for sheets and mattresses. Prussian blue staining is only present in the delousing rooms.
No holocaust historian thinks that room was used to gas Jews. If you're going to believe in the holocuast, you should actually see rooms like that as a minor blessing from the Nazis since they were using them to control Typhus among other diseases.