This is the Preservation Center. Or at least the part of it that fit in the camera frame.
Conservation: paper conservation in the foreground and photograph conservation in the background.
Compactor storage. Our hosts are pictured, with the pink scarf is Tania the photograph conservator and in the blue jacket is Janet the collections manager.
The place is so big that there are street signs. The hallways have names. This was the most straight forward sign in the building.