Who built the Giza pyramids?

Slaves

The ancient Greek historian and tourist Herodotus who visited Egypt in 450BC was told it took 100,000 slaves to build the Great Pyramid of Pharaoh Khufu. More modern estimates put the number at 10,000 to 30,000. Just think when Herodotus visited Egypt the pyramid was already 2,000 years old. You can also visit the Egypt through completegypt(dot)com and collect some important information of Giza pyramid.