RIDDLES OF THE EGYPTIAN PYRAMIDS

Everybody know about the Egyptian pyramids. And everyone is familiar with the official version of their origin: pyramids are constructed with exploitation of thousand slaves. But, always were skeptics who subjected this version to doubt. In that sense illiterate slaves could not construct so grandiose objects. Then who then? When there is no convincing hypotheses imagination comes. As authors of pyramids considered inhabitants of Atlantis or aliens. But many people having heard about these versions preferred to trust in slaves and Pharaohs further .But questions remained.