Cool!

Who's the Ocerlook's architect supposed to be, M. C. Escher?

When I saw the 1st video's bit at 3:00 about the hallway exit behind the stairs, "what if the rest of the hallway is perpendicular to the windows then makes a quick 90° turn or just has a door on the side of its ending?" occurred to me.
The 2 apartment doors at 6:00 were especially odd because
there's no glass fire door between them in the hallway, which Rob Ager doesn't mention. I've seen an apartment building IRL in which every apartment has 2 exit doors (1 in a corner of the living room, 1 in the adjacent corner of the kitchen) ~1 meter apart from each other. Each floor has 4 apartments and 1 hallway with 2 stairwells (1 on each end, separated from the middle of the hallway by a
fire door). Fire shoots up stairwells quickly but takes longer to go through the fire doors, hence the 2 doors per apartment:
- If you're in a front-of-the-building apartment and a fire's going up the front stairwell, your living room exit isn't safe but your kitchen exit (on the other side of the hallway's front fire door) is safer and you can escape though that to the hallway, through the back fire door, and down the back stairwell.
- If a fire started in another apartment and has spread to the middle of the hallway, your kitchen exit isn't safe but your living room exit (on the other side of the hallway's front fire door) is safer and you can escape through that to the front stairwell and down it.
- Vice versa for back-of-the-building apartments, of course.
So those 2 doors outside room 237 would make a ton more sense this way:


When Ager said in the 2nd video at 3:45 "You're probably asking yourself 'Yeah, so what's the point?'" I hadn't been asking myself that at all - I was already convinced that Kubrick was amplifying the eeriness.
