Map is looking great! I love the real world plausibility in all the new screenshots. Can definitely imagine walking around a place like this. Some feedback.
This room looks a little "boxy". Perhaps some kind of corner bit could be added to detract from this? The other images are more for examples where potentially flat walls are more interesting (inset walls, pipes, broken ceiling tiles and fences). I see a few areas where these kinds of things could be used.
I know this might come across as nit-picking, but it is clear you guys mean business with this, so the criticisms are inevitably going to seem a lot more pedantic.
Looking forward to more progress shots!