2. The bookcase is shady and cannot be placed in direct sunlight, otherwise it is not conducive to the collection and preservation of books. The left wall of the bookcase has good direct sunlight, and the desk room is suitable for placing leisurely chairs and stools.
3. The bookcase can't be filled with books, so it needs to leave some space, which can play a breathable role. This will not easily lead to bookcase deformation, airtight bookcase will lead to household irritability and lack of inspiration.