Baths of Caracalla A good example of a Roman bath Roman emperors often built huge public bath buildings for the people of Rome to enjoy. The largest one, and one that also happens to [...]
The big cold swimming pool at the Baths of Caracalla in Rome. Why did Romans have public baths? Roman people usually didn't have hot baths in their houses, because it was [...]
History of concrete: The fountain in the center of the courtyard is concrete (This is from the Palace of Domitian in Rome) What is concrete? Concrete is a kind of [...]
Arches of the Medieval Baptistry at Pisa How do you hold up the roof? People building houses or any other kind of people have always had this one big problem, [...]
