I've added some details to the node.  There is an image of the sculpture here - http://www.paulahaughney.co.uk/wp-content/gallery/public-commissions-larger/1993-to-1994-travel-and-discovery-1-of-2-granite-obelisks-240cm-high.jpg  and here http://www.paulahaughney.co.uk/wp-content/gallery/public-commissions-larger/1993-to-1994-travel-and-discovery-2-of-2-granite-obelisks-240cm-high.jpg