The world of "Sen and Chihiro"! The matter charmed by an iris in a white heron park!

The "white heron arboretum" where a night sky in early summer is wrapped in fantastic light of a firefly. Genji fireflies and one-story house fireflies live. "White heron arboretum" then, about 20,000 stocks of iris is planted, and a firefly flies about the top gracefully. "An iris festival" is held" according to the bloom time of the iris.