Hisago-zuka Kofun, Ancient burial mound in Higashisonogi, Japan.
Hisago-zuka Kofun is a burial mound with the distinctive keyhole shape, consisting of a circular rear section and a rectangular front portion built from layered earth materials. The entire structure shows careful planning and considerable labor investment.
The tomb was built during the Kofun period between 250 and 538 and reflects the burial practices of ancient Japan's elite. This era was marked by powerful regional rulers who commissioned such monumental works.
The mound shows how important grand burials were to early Japanese society, as this specific shape was reserved only for high-ranking individuals. The keyhole design became a recognizable marker of power and status across centuries.
The site is located in central Nagasaki Prefecture and is open to visitors interested in exploring ancient Japanese tombs. Comfortable clothing and flat shoes are recommended, since visitors need to walk across the grounds to view the mound properly.
Archaeological excavations have uncovered artifacts that provide direct evidence of 5th century burial rituals. These discoveries help researchers understand the daily life and beliefs of the ancient elite.
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