The ruins of Azuchi Castle are the national treasure-level castle ruins built by Oda Nobunaga, featuring an unprecedentedly luxurious and gorgeous castle tower. The castle, built entirely of stone walls, is considered one of the largest mountain castles in Japan, and there is a theory that Toyotomi Hideyoshi referred to it when building Osaka Castle. Although the castle tower was destroyed by fire only 10 years after its construction, many remains such as earthen walls and stone walls can still be seen. It is a must-see spot for history lovers.
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