For VfB, it is all about the wooden doors 🚪

https://archive.org/details/hoaxoftwentiethc0000butz

https://web.archive.org/web/20130127004643/http://www.geniebusters.org/915/04g_gas.html

Source: https://x.com/lynne1171992/status/2112671628555358557

Thumbnail: https://imgflip.com/i/b5aqun [thanks to https://krakowdirect.com/arbeit-macht-frei-auschwitz-gate/ 🖲]