"sara Illumi," which was renewed into a community-participation type project from last fiscal year. In advance, by villagers who held workshops and participated, illumination's decoration designs were devised. Based on the devised decoration designs, by the hands of local people, illumination decorations were carried out on rural park large-scale play equipment, etc., and among them, the 50-meter-long tunnel of light is a splendor that makes people walking inside smile.