Rome, later, and this was a revelation, apparently also Macedonia's power rested in part on their sanitation, which kept their people and troops healthier than those they fought. The plumbing system which I had previously ascribed to Rome, is identical here, and hundreds of years before the Roman era started. The archeologist and I talked about that and thought that Sicily, a Greece colony, and also inhabited in part by Carthage, and later conquered by Rome, might have been the contact point where this technology was transferred to the Roman civilization.