Aliens In Egypt

The idea that aliens have been coming to our planet for centuries isn't necessarily new. There have been thousands of sites worldwide that people have claimed to not be of human origin. Ancient Egypt is filled with unfathomable architecture that many claim could not be built with the simple technology that existed back then. The Great Pyramids of Giza are an example of this. These massive structures were made with science and precision that many speculated were impossible for the time. Did the Ancient Egyptians understand all this back then or did they have help from someone else, like someone from the stars?
.: 100% Airlume combed and ringspun cotton (fiber content may vary for different colors)
.: Light fabric (4.2 oz/yd² (142 g/m²))
.: Retail fit
.: Tear away label
.: Runs true to size