【4K】Asahiyama Castle (Nagano) / 旭山城 (長野)
Walk-through movie of Asahiyama Castle (旭山城) that is a Japanese castle at Nagano pref. It was used by both of Takeda army and Uesugi army as a frontline fort at the battle of Kawanakajima, and both of technique of Uesugi army such as huge and dry moats separate the ridge and one of Takeda army such as square shaped terraces or stone walls were brought to this castle.