Thats quite an ossuary! Which one is that? Is that one in the catacombs under Paris or under a church or cathedral somewhere else?
I was just looking it up to tell you.
https://www.dailymail.co.uk/sciencetech/article-2582563/The-chapel-thousands-human-BONES-Walls-skeletons-including-one-giant-riddled-syphilis.html