Wall decoration
You can hang a large-scale landscape painting or landscape photo with the same size as the hole in the concave part of the wall or at the hole.
Bookshelves or antique shelves
Books, bonsai, flowers or antiques can be placed in the concave part of the wall or at the hole.
A writing desk or desk
A writing desk or desk can be embedded in the lower part of a recess or hole in the wall, and a bookcase is arranged on the upper part.
Glass mirror
A glass mirror can be installed in the concave part of the wall or the upper part of the hole, and small furniture can be arranged at the lower part to replace the dresser or place daily household appliances and articles.
Shelf storage sundries
Shelves can be placed in recessed places or doorways to store sundries, and some curtains and cloth curtains with elegant colors or high quality can be hung outside as local decoration in the room.