A pesticide invented in Germany in the early 1920s. Very chemical, very lethal and that’s how Hitler killed his own people and others. Jews, homosexuals, Roms, disabled and random people being at the wrong place at the wrong time.
Jean Spicer need to learn before speaking. This is one of the most important history lessons to learn.
Ignorance is a threat to the world.
One could also add that those were not “Holocaust centers”. They were gas chambers as you can see here. And the pipe in the ceiling doesn’t fix the cozy light because there were no light. The pipes delivered the gas.
Stay human and stay informed.