Hiraodai Nature Observation CenterThe Hiraodai Nature Observation Center is a museum in Kokuraminami Ward, Kitakyushu City, Fukuoka Prefecture, Japan.WWW virtual.newsv.jp/hiraodai...FB 100035389736282IG hiraodai.centerExhibitionsThe center explains about limestone and limestone caves formation.TransportationThe center is accessible within walking distance southeast of Ishiharamachi Station of Kyushu Railway Company.