This is a perfect combo of my two favorite ideas for that space under the stairs leading to the basement. A reading nook AND book storage and shelves . assuming that there is enough space for this there.
25 Cozy Interior Design and Decor Ideas for Reading Nooks
This is a nice-looking living room with smaller rug. Perhaps the key is to frame the rug with sofas / sofa and armchair combo / sofa and the window. And another trick is to fill up the room so the size doesn't look awkward.
The "Sentimental Value" Wall: This gallery wall made use of the couple's existing art and photos for an eye-catching living room display. The yellow and gold tones in the frame collection are mirrored in other parts of the apartment