Interesting article on composition of that nearly-indestructible ancient Roman concrete history buffs love so much. But, pretty photo, too! - Roman Temple in Pozzuoli, Bay of Naples, Italy
An impression of the pilot lagoon scheme in Swansea Bay (photo: Tidal Lagoon Power)
The core of this thick Roman wall was filled by one of their greatest innovations: concrete.
The Pantheon, a temple to the gods, was completed in A. The temple's dome is still the largest unreinforced concrete dome in the worl.
Roman Seawater Concrete Holds the Secret to Cutting Carbon Emissions
Roman Colosseum - Mystery of History: Concrete