Rome exists for over 2,500 glorious years, and the ancient Romans built massive concrete structures that have withstood the elements for more than 2,000 years. Recently specialists analyzed samples from a Roman breakwater that has been submerged in the Bay of Napoli (Naples) for over two millennia, and they observed the technique of crystal chemistry that allowed Roman seawater concrete to resist chemical attack and wave action for all this time...
Related Subjects
Travel