There is a lot of value in being able to see the outside. I can barely see outside from my position in the building and I feel it's really starting to eat my soul staring at walls the whole day.
https://www.buildingecology.com/download/critical-review-how...
This might be of interest to you.
(Edit: That sounds very depressing, and could be health affecting in the long term, so if you can, please do leave!).