The railroads needed standardized time; as a result, the technology of train travel shaped the way everyone gets up, eats, goes to sleep, calculates age, and, perhaps of no small importance, imagine the world as a whole, ticking reliably, with reliable deviations, according to the beat of one central clock in a physical location.
We reach a secondary road and - here comes the bonus - we pass the Temple of Neptune and Cerene, at Paestum, both looking beautiful in the sunlight. Strung from the Doric columns are lines of soldiers' washing. At last they had been put to practical use. If only the ancient Greeks had known.