Kasedai Kofun Cluster, Ancient burial mounds in Saiwai-ku, Japan
The Kasedai Kofun Cluster is a group of burial mounds in Saiwai-ku with round and keyhole-shaped structures surrounded by moats and earthen walls. The mounds are scattered across the landscape, each displaying different shapes and sizes from this ancient period.
The site dates to the Kofun period, when Japan's early kingdoms were building power and burying rulers in elaborate graves. Archaeologists uncovered artifacts from the 5th century that show how people conducted burials during this era.
The site is named after the Kasedai family who once lived in this area. The mounds are now woven into the city's daily life, with some situated within a park where visitors can walk among the ancient landscape.
Some mounds are located within Yumemigasaki Zoo Park and accessible on foot, while a nearby museum offers information about the excavation history. When visiting, wear comfortable shoes and allow time to explore all the structures on the grounds.
The region's largest keyhole-shaped structure, called Shiroyama, ranks among the largest of its kind across the country. Excavations at one specific mound revealed rare wooden coffins and textile remains that show how carefully burials were conducted.
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