Deep joy! I am back in my favourite city, my spiritual home and, of course, within a couple of hours drifted towards my favourite urban playground. This seems to be a new form of street art: the bicycle sign is one that we often see painted on roads, but this one has been made out of bits of paper, stuck on the path and coloured in. Is it because the authorities won’t officially recognise this as a bicycle path? Or is there some other reason?