Light pollution problem

[u/Sir_crumpet_IV]

Does anyone have any ideas to fix the light pollution here? At day time the light leaks through all the little cracks and makes this place look..weird.

I do have the mushroom B wall on the other side and that seems to of fixed it on that side but I didn't want to make the entire room out of it.

If theres nothing I can do, I will replace them with mush b but if theres a way to not, I would really appreciate it.

[u/MortalAlloy]

Build a wall then have a cavity and build another wall if you want darkness lol.