On the way home from the Sanctuary of Asklepios (Epidavros), we took a slight detour to check out what is believed to be the oldest Mycenean bridge in Europe. The Mycenaean civilization existed prior to the Ancient Greek civilization, and consisted of mainland Greeks who were influenced by people in the Mediterranean and Crete.
Our steel culverts need to replaces every thirty five years. Looks like stone culverts are still good after 3500; years. How much did it cost to build?