If you're not already exhausted by reading everyone's stories, this one is among my under-appreciated gems, which you might enjoy. It's about a cold war nuclear bunker in Essex and honestly, we found the visit there fascinating. This is an interview with the owner. https://medium.com/curious-scribe/kelvedon-hatch-nuclear-bunker-the-safest-place-in-the-event-of-war-54cbe4eafda7

EDIT — just spotted it’s a long one! Oops. Well, you could read down to the hospital picture, if you like. :-) That’s probably the main bit.