They have used a term for centuries......
The Roman Arch.
It is so stable that many are still standing in not only buildings, but aqueducts.
Their roads are another engineering marvel.
Of course African slaves were the source of this knowledge as well as the labor that built it while being raped by greasy Italians.
...”Of course African slaves were the source of this knowledge as well as the labor that built it “
++++++++++++++++++++++++++++++++++++++++++++++++++
I hope this is sarcasm. The labor in the article was a mix of slaves and free men. Few Roman slaves were from Africa, certainly not Black Africa. They were conquered groups and Slavs were the reason we have the word slave.
An early Christian decided to preserve the Pantheon to honor all the saints. Otherwise it might have been destroyed like many other temples to pagan deities. If they could have demolished it.
The Caliphs would have converted iy into a mosque like the one in Constantinople.
There’s a bridge in Spain that, although it had some work done in the 20th c, was if memory serves set entirely without mortar. Still in use.
The Roman Arch was a popular technique used by the high denarius prostitutes.