Is Egypt the only country in the world that has pyramids? If the answer is no, what is the largest country in terms of the number of pyramids?
Were the pyramids burial places for all Egyptians or only for kings? And why?
Why did the Pharaohs bury their kings in the pyramids?
Is it true what some historians claim that the pyramids were built before the time of the Pharaohs?
 Did the Pharaohs use papyrus to write? How did the Pharaohs benefit from this innovation?