Dome-meister NMEC has issued a set of mock-up images on various zone designs. But a glance at the back of one image suggests uncertainty: it may 'not be used by media after November 1999'. Is this a copyright formality or does NMEC fear unfavourable comparisons between the 2D images and the 3D realities? 'There won't be any design changes now', we are assured by the firm. 'But there may be new images.' We will be happy to compare them.