Anyone see the latest Ancient Architects video?
He covers evidence for an Egyptian mystery school/ secret society that is likely a precursor to many Masonic rituals and practices today. Pharaohs and other elite initiates would be inducted into secret rites, and gain knowledge of Chemistry (Ancient Egypt was called Kemet) Astronomy, Math, Science, etc.
The Pyramids, for such imposing and important monuments, are only known to be depicted in one image, and that is of Canaanite origin. (fig1)
The Triangular apron (Masonic ceremonial apron) may hint that the true nature of the Pyramids has always been kept secret intentionally.
(Video linked in reply)