When driving from the main island to the island of Shikoku you pass a giant bridge. Under the bridge giant whirlpools are formed.

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Mount Aso (阿蘇山, Asosan) is an active volcano in the center of Kyushu. Its ancient caldera ranks among the world’s largest, with a diameter of up to 25 kilometers and a circumference of over 100 kilometers. In the center of the caldera stand the mountain’s active volcanic peaks, including Mount Nakadake, whose…