The burial chamber of the tomb of Tutankhamen is the only room in the entire structure that is decorated. When discovered it was almost entirely filled by the shrines made of gilded wood; it now contains only the large quartzite sarcophagus and the outermost coffin with the mummy of the king. Three images of Tutankhamen decorate the wall behind. On the right, the pharaoh is depicted as Osiris during the ceremony of the 'Opening of the Mouth', with Pharaoh Ay, Tutankhamen's successor, officiating.