Secret Burial Chambers in Great Pyramid of Giza

The Khufu pyramid must have a secret burial chamber. The kingÂ’s chamber does not have any writings or any paintings. So it cannot be used as a burial chamber. In other pyramids there are writings and artwork in the burial chambers. So logically, the king's chamber could not be the burial chamber.
The KingÂ’s chamber purpose may be to throw off the would be robbers. The hidden chambers passages may be found by cutting into one of the walls in the kingÂ’s chamber. In the secret burial chambers that have not been discover, the mummy and the treasures will be found.