Concrete was used by the Romans over 2,000 years ago.
✓ TRUE FACT
Romans used forms of concrete extensively by the 1st century BCE, often mixing lime with volcanic ash (pozzolana). Many structures have lasted ~2,000 years, partly because some mixes perform exceptionally well in marine environments.
🤯 "Concrete was used by the Romans over 2,000 years ago. And some of their buildings still beat modern construction."