Located on the Giza Plateau, the Great Pyramid is believed to have been constructed more than 4, 500 years ago for the Pharaoh Khufu.... One of the Seven Wonders of the Ancient World, it is the only one still largely intact and is estimated to weigh approximately six million tonnes and comprise of 2.3 million limestone blocks.... There have been varying theories about how it was built, but the most accepted hypotheses are based on moving each of these stone blocks from a nearby quarry and lift