Ancient Egypt started around 100,000 years ago when the first Egyptians (in legend) came from “The Above” where the top god Osiris decided to send his 2 human children to a land of sand and ruin to rule over higher and lower Egypt their names Narmer and Menes.
The great Sphinx was built for the Egyptian Pharaoh Khafre during his reign (2520-2494 BC) is in the architecture, geology, and archaeology of the Sphinx and its related monuments.
The Egyptians began to use the pyramid form shortly after 2700 B.C., and the great heyday of constructing them for royalty extended for about a thousand years, until about 1700 B.C. before they made tomb below the ground filled with gold,gems,statues and silver were but these were the least valuable then the mummy