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hira_sail: 魚道 fish ladder of watergate.
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hira_sail: Nikaryo Kamigawara Watergate
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hira_sail: Spring of Nikaryo waterway
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hira_sail: Spring of Nikaryo waterway
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hira_sail: Waterways are Complexly Interwined
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hira_sail: from the other side of the branching point