#443 – Gregory Aldrete: The Roman Empire – Rise and Fall of Ancient Rome

10004.864 - 10025.08 Gregory Aldrete

And the Romans were excellent engineers, especially when it came to what you might think of as humble stuff. I mean, today we tend to think of a Roman building as shining white marble, right? Well, the core of that building was probably concrete. And the marble is just a superficial facade. And if you think about the Colosseum in Rome today, all the marble has been stripped off that building.