Oze is Japan's largest highland marsh, and is famous as an area rich in rare and precious plants and animals. Located in Oze National Park, the marsh is said to have been formed in the Ice Age about 10,000 years ago. Because of the special geographical conditions of the highland basin, plants that evolved in the Ice Age are still growing naturally now. The beautiful scenery is especially enjoyable when the marsh is covered with blooming skunk cabbage in spring and day lilies in summer.
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