> Hi Thanos 5150,
> One may have to search out the original sources to verify the
> following Wikipedia entry at
> "At the end of the twelfth century al-Malek al-Aziz Othman ben
> Yusuf, Saladin's son and heir, attempted to demolish the
> pyramids, starting with Menkaure's.
> The workmen whom Al-Aziz had recruited to demolish the pyramid
> found it almost as expensive to destroy as to build. They
> stayed at their job for eight months. They were not able to
> remove more than one or two stones each day at a cost of tiring
> themselves out utterly.
> Some used wedges and levers to move the stones, while others
> used ropes to pull them down. When a stone fell, it would bury
> itself in the sand, requiring extraordinary efforts to free it.
> Wedges were used to split the stones into several pieces, and a
> cart was used to carry it to the foot of the escarpment, where
> it was left.
> Far from accomplishing what they intended to do, they merely
> spoiled the pyramid by leaving a large vertical gash in its
> north face."