rich1.0a source familiar with the matter (npub17k…mhcd0)https://yabu.me/npub17k64766yhzvhk2mws356dftl35lnkthjwq34gdz9cs8va3y9aejqwmhcd0njumphttps://yabu.meThere were delousing chambers (with glass windows that execution victims would probably smash to try and get fresh air) they're stained blue from the cyanide in Zyklon B, unlike the supposed gas chamber (aka morgue which was converted into an air raid shelter)