In his groundbreaking and best-selling book, The Italians (published in 1964), Luigi Barzini wrote about the ever-growing flocks of travelers turning up in his homeland after World War II, even imagining a time when the number of tourists might equal or exceed the country’s population.

That moment seems to have arrived, with more than 62 million visitors streaming into Italy in 2018, according to the UNWTO. (The population that year was about 60,360,000 according to Istat.) With no signs of the influx abating any time soon—if ever—here’s how to help the country, parts of which are suffering from the effects of overtourism, as you make plans for visiting in 2020.