(I) In the field of interior decoration, glass has come into high favor in recent times. (II) There have also been many innovations in lighting methods allowing lighting systems to be worked into the structure of rooms. (III) This is largely on account of its versatility. (IV) It can take any color and is capable of a large variety of surface treatment. (V) The use of a mirror-wall has also become popular as it doubles the size of an interior and gives it completeness and symmetry.