There is a remarkable bonsai artist in this region whose name is Kiyoshi Hiramatsu. He is quite famous in the bonsai world and he is also a rather famous guide and mentor for people in the bonsai world.
Take a look here and get a peek into the bonsai world. Over 80 percent of all bonsai trees come from Kagawa, so if you are interested in seeing, and experiencing bonsai culture, you really need to Come To Kagawa.