Have you ever wondered just how all those art galleries and exhibitions stay clean?  You probably haven’t, as you turn up to enjoy the displays and then wonder off home.  I imagine it is a mammoth task, with potentially thousands of visitors a week traipsing through space, it can be a real chore, but what happens when the cleaners can’t tell the rubbish from the artworks? There have been numerous stories which have hit the headlines of cleaners who have been overenthusiastic about their job who accidentally clean away the hard work of an artist, but with the best intentions. Now, you may feel that really art should stand out…