Among their many talents, the ancient Romans were pioneers in the art of concrete making and construction. The quality of Roman concrete used to build their aqueducts, tombs, bath houses, piers,...
The Roman quarry of El Mèdol , located in modern-day Tarragona (Tarraco in ancient times) in Catalonia is literally a man-made marvel. This limestone quarry was used by the Romans to build the city...