In the USA, public toilets are called “restrooms”. I can only assume that this is an example of the famous American use of irony, because there’s nothing restful about them. A visit to a public convenience is a frightening experience full of nauseous confusion and, given the option, most people would avoid them altogether. Often though, this isn’t an option. Fortunately, designers from around the world have been working hard to make our inevitable toilet visits just a little bit more exciting…