Tips for Travelling to Milan in winter?

amn asked: I’m 22 & I’m travelling to Italy-Milan next year to study design, i was just wondering if anyone had any tips/advice/experiences they wanted to share with me or advise me of, it’s my 1st time in Europe so any help would be greatly appreciated. Thanks

How accessible are bathrooms in the major areas of Italy?

David L asked: I will be traveling throughout Italy with my mother this fall. She is concerned about the availability of restrooms while we travel. We will be exploring Milan, Bologna, Florence, Rome and Sicily. What has been your experiences?