Dude. That post is that anons obligatory come back. He's got it saved for whatever occasion suits their fancy.
The first time they decided to use this post was in January:
https://8ch.net/qresearch/res/103817.html#104348
It's a meeting hall, and the symbol on the door isn't a spider web. It's a symbol for dates and cookies. So that guests know they can get dates, cookies, and tea.