NPR on Instagram: "Rome's Trevi Fountain is a popular destination for tourists — especially for those who want to throw a coin over their shoulder and make a wish. But soon, even approaching the fountain will soon come at a cost.⁠ In recent years, the piazza beside the baroque masterpiece is often so crowded there’s little room to move. This year, the fountain has had some nine million visitors, according to Rome’s mayor. So the city plans to charge from February a 2 euro (around $2.35) tourist