Ключевые слова: agricultural irrigation, agriculture, arch, arch dam, blue sky, brick, building, buildings, civil engineering, compound sentence, cultural properties, dam, dam lake, fukushima, green, historic buildings, historic sites, history, hnen ike, hnen ike dam, important cultural property, irrigation, irrigation water, ishigaki, japan, japans oldest, kagawa, kagawa prefecture, kanonji, kanonjishi, kiya, landmark, masonry, masonry multiple arch dam, mountain, multiseries arch dam, on the industrial heritage, onohara, park, public facilities, reservoir, rural, sanuki, scenery, shikoku, social infrastructure, stone masonry, tourist attractions, toyotomi pond yusui park, water, water cannon, water flow, water for, weir, woah, yutaka m pond dam,