The Joint International Conference on Theory, Data Handling and Modelling in GeoSpatial Information Science  is being held in Hong Kong 26-28th May. The GeoViz and Virtual Reality Working Group is chairing the session on Geographical Vizualization to be held on Friday 28th.   There are a number of  papers being presented during this session covering areas such as: GeoViz web portals and online visualization systems, digital globes, gaming engines, context aware visualization, participatory planning using touch tables. See the full program for more details.