Why 2,000 Year-Old Roman Concrete Is So Much Better Than What We Produce Today An elusive recipe. SIGNE DEAN 4 JUL 2017 https://www.sciencealert.com/why-2-...-is-so-much-better-than-what-we-produce-today Drilling for Roman concrete samples in Tuscany, 2003. Photo: J. P. Oleson
One day, the whole humanity will understand that there were some entities in our ancient past that had higher technology than we have now. Romans probably inherited this technology one way or another. I believe mitology is real.
Romans were truly exceptional builders - the fact that their engineers possessed no modern technology to help them calculate their structures makes them even more impressive.