Introducing THE WALL.We now have a tidy studio and a clear wall to attach to, push things up against, photograph near to, test new products out on or in front of, have tea breaks near, stare at...It may change colour, it may not, but the things against it will change with alarming regularity.Today's WEDNESDAYWALL: the lights which were being explained at last week's talk, and the special Bells which are being packed up and sent to Lorna after a little test and clean.....