all you need is the wall walking with cheat engine.
go to the valley of wisdom and by the house were the king is. then just follow the pic's
http://img.villagephotos.com/p/2005-2/963121/start.JPG start there and climb the wall
at the top youll see this, turn left
http://img.villagephotos.com/p/2005-2/963121/next.JPG
and youll come to this place, just drop down
http://img.villagephotos.com/p/2005-2/963121/fin.JPG