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Immerse in the beauty of 170,000-year-old Ryukyu limestone embedded in the river, known for its salty taste and unique rock colors in Motobu Peninsula. Witness the magical bubbling reaction when hydrochloric acid meets this ancient stone. Experience the wonder of this limestone layer that serves as cement and springs up crystal-clear water.
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Ryukyu limestone • It is gueesed that Ryukyu limestone was made about 170000years ago • It is included in the Ryukyu layer • Limestone is used as cement
Springs upwater which Springs upwater which total length 300m • The Width 4m • The taste a little salty • It caused by sea waters mixing with water of river
The rocks aroundMotobu peninsula Rockscolor:glay When the hydrochloric acidwas put on rock the bubble come out When the hydrochloric acid was put on Sand bubblele come out