It's worth reading "Keeper of Genesis" to get a better understanding of the possible timeframe it was carved in and the possible why's for it's carving.
I was initially going to respond to the OP that this was old news and would have also recommended Keeper of Genesis.
Graham Hancock, John Anthony West Robert Bauval, Robert Schock etc have written a great deal on this matter provoking much discussion amongst Egyptologists.
This topic was once again the subject of yet another TV show here in the UK the other night, I would highly encourage those that have any interest in the subject to read as TV does in no way explain the full picture.
I do wish we could see the back of Dr Hawass though, the guy strikes me as an arrogant megalomaniac who is stifling attempts to investigate a history that belongs to mankind not to him.



