Most Venetian buildings are a few centuries old, at least. Built before indoor plumbing. So a sort of simple fix was to hang the water closet off the outside wall! But where did the water closet waste go? I bet you can guess.
If you look for them, you’ll occasionally see these closets hanging on the sides of buildings. I’m guessing this one didn’t originally have pretty windows and a flower box, but hey, I’m no expert on Venetian water closets. And I only know about them from what gondoliers have told me. Some have also pointed to a houses that I know were not Casanova’s, claiming they were….