23 The MOST Ancient had a level of Construction, Design, and Mastery over the physical world never seen since (www.theancientconnection.com) posted 3 years ago by Graphenium 3 years ago by Graphenium +28 / -5 77 comments share 77 comments share save hide report block hide replies
it's the Davidovits geoplymer theory, been around for a while https://www.geopolymer.org/faq/faq-for-artificial-stone-supporters/