Looks like my shift were on when this was taken:
That’s the control room for two reactors, what you can’t see is below where the photo was taken are the grid and site electrical switching panels. No idea what they were up to there, probably risk of trip work or load changing for refuelling.
If you think that’s a lot you should see the Reactor Shutdown Sequencing Equipment. Not so much a computer as banks and banks of reed relays. Hackproof though 😀
EDIT: Ah, the missing picture: