There have been many myths surrounding the building of the pyramids in Egypt. In the myth, it was believed that the slaves who built the pyramids. They had to carry very heavy large stones many miles across the desert one at a time to built these incredibly tall structures. Today, it is believed that there were many people involved in building these structures.
Some number include in the millions. However, it is important to remember that these pyramids were not built in a day. It took many years to build them. They were built over time. Also, laborers were also used to build these structures and there were many different pyramids that were built. Over a million people were somehow involved in the process over the many years it took to build the many pyramids.