The Atrium circa July 2020

 topographical map of the atrium

Originally built by J as a large scale storage system, the design and purpose of The Atrium has expanded over the years.

view from top
External view of the Atrium, with the original train station in the mountain side. That has since been moved into the first floor of the Atrium

coloured levels
A view of the different coloured levels of the facility. Each floor carries a different purpose, from storage and production to living quarters and entertainment

library
Part of the library of the first floor. The flowerpot hides a lever to access a hidden room

dining hall
The as-yet unfurnished dining room on the second floor.