I love building, but I constantly struggle with filling hallways and empty walls. After adding a certain number of bookcases, it becomes overkill, and it only really makes sense to have closets/coat a...
It's where I put an extra desk with a computer, a chess table, some bookshelves. misc decor, workbench. art, statues and stuff like that. It's also where I have my stairs, elevators or tubes.