A press cutting from The Guardian, with a photograph of the Pavement Maze, announcing the opening of YG on the following day, dated 31.05.1980. The photograph can be seen by clicking here.
Robin's drawing of a compass for the centre of the Pavement Maze, which was added after the maze had been laid. It is inscribed with annual rainfall and height above sea level, as well as Sybil and Roni's initials.