About OKUBO TSUTOMU
About 九州治水期成同盟連合会
About OKUBO TSUTOMU
About 久留米市
About Kyushu District
About heavy rainfall
About flood damage
About disaster countermeasure
About Ministry of Land,Infrastructure and Transport
About group
About river management
About Technical Emergency Control Force
About Natural disasters
About Flood prevention measures
About 災害
About 風水害
About 豪雨
About 九州
About 地方
About 災害対応