New on the ADA site from the latest newsletter. looks like a good read but haven't had chance to go through it properly yet
http://www.aquajournal.net/na/iwagumi/
http://www.aquajournal.net/na/iwagumi/
ADA said:Please be informed that Online Aquajournal has been updated with new information.
-A Study of Iwagumi
An Iwagumi layout reflects the tradition, culture, and spirituality that have been cultivated over the long course of history, although it is modeled after natural scenery. The number of Iwagumi enthusiasts is increasing throughout the world as Nature Aquarium gains popularity.