Monolithic structures like the pyramids of Giza were created with ancient building techniques. This building technique recently was used in coral castle. Checkout this... https://coralcastle.com/whos-ed/
Each time I post it says I have to sign back in due to new wallet settings... I lose my posing content and have to find where I was posting again. Looks like a bug of some sort.
“Whom do the kings of the earth take customs or taxes, from their sons or from strangers?” Peter said, “From strangers.” Jesus said, “Then the sons are free." - Matt 17