Oh, tourists. At Rome's Trevi Fountain, inappropriate tourist behavior is forcing the government to change some rules. Here's what to know.

By Elisabetta Povoledo Reporting from Rome There’s a good chance ... Specially developed for the fountain, it is known as “Trevi White,” and periodic maintenance is necessary.

The landmark has been given a spruce-up ahead of the Roman Catholic Church's jubilee, which begins on Tuesday.