Many mayors have taken drastic measures: high fines for those who walk the paths above the Cinque Terre in flip-flops. Many places want a limited or limited number, such as the province of Bolzano which has just introduced a maximum limit of overnight stays.

"It is no longer possible to postpone the debate on how to manage tourist flows," says Fabrizia Pecunia, mayor of Riomaggiore. The danger, according to experts, is to go from one excess to another: transforming tourist places into amusement parks.