‘waterfall’, 2005-2006 japanese designer tokujin yoshioka has developed ‘waterfall’, the world’s largest optical glass table. in form it is a 4.5 meter giant optical glass block which reminds one of water running down the surface of a sheer cliff. the piece was originally developed for a private gallery located in the heart of tokyo in 2006, and drew from his earlier 2002 project, ‘water block’. ‘