Cheops coming to reign over them plunged into every kind of wickedness. He ordered all the Egyptians to work for himself. And they worked to the number of a hundred thousand men at a time, each party during three months. Were the pyramids of Egypt built by slave labour, as Herodotus suggests? Is Von Daniken right in believing that the Ancient Egyptians could not have erected the 2,300,000 blocks of the Great Pyramid in less than 600 years? Some of the myths are destroyed and some of the mysteries still remain in this month's programme.