Hijiji City is located in Hijiji City, Hyogo Prefecture, Japan, built 500 years ago during the Warring States period, is one of the few defensive castles in Japan that have been preserved, known as national treasure-class buildings. Hijiji City Yiji Mountain built, surrounded by stone walls, the building is painted white, the main building Tianshou Pavilion is 45 meters high, there are five or six-story structures, each floor has a room, a single-story mountain roof, four corners up, similar to ancient Chinese buildings.