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A river fed by hot springs from Mt. Iou, one of the world's rare sulfur volcanoes
These mysterious waterfalls are a must-see for visitors to Biei Shirogane Onsen
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A river fed by hot springs from Mt. Iou, one of the world's rare sulfur volcanoes
These mysterious waterfalls are a must-see for visitors to Biei Shirogane Onsen