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valley; ravine; gorge; canyon
深い谿を渡るために橋が架けられた。
A bridge was built to cross the deep valley.
谿の底から川の音が聞こえてくる。
You can hear the sound of a river from the bottom of the valley.
秋になると谿の紅葉がとても美しい。
The autumn leaves in the valley are very beautiful.