What types of information about ancient egypt can we learn from colossal monuments such as the great pyramids?

It gives an awesome knowledge about the excellence of people of ancient Egypt. The great pyramids are incarnations of trignometry. The engineering behind the construction of such monuments reveals their excellence in science, culture and technology. They embalmed dead bodies and kept inside the pyramids for many years without a little damage.

The  pharaoh  was at the top of that pyramid. in the level below were nobles, priests, and officials. they the  pharaoh  govern egypt. so did soldiers, who fought battles for their ruler, and scribes,  who kept records  for the government and the temples. i know this