When navigating the sun-drenched cobblestones of Rome in the heat of summer, staying hydrated is a top priority. Fortunately, the ancient Romans' obsession with engineering pristine water networks is a legacy that still benefits travelers today. As you explore the city, skip the expensive souvenir stalls selling bottled water and keep an eye out for the famous nasoni.Meaning "big noses" in Italian, these unique, cylindrical cast-iron drinking fountains have been a staple of the Roman streetscape