Implements of torture, before waterboarding was in vogue. They just strapped you to this and removed body parts.
Class A accommodations.
Gotta get rid of the bodies. They had a lot of urns for the purpose, before they stopped caring about even that.
A memorial to the French Resistance, who comprised most of those interned here.
Towards the end, they didn't even bother with urns, just dumping the ashes in this pit.