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The Kanmon Straits separate Kyushu and Honshu in Japan. It is 650 m at its narrowest and has a tidal current topping 9.4 knots.
Date: September 6, 2022
The Kanmon Straits separate Kyushu and Honshu in Japan. It is 650 m at its narrowest and has a tidal current topping 9.4 knots.