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It is believed that the statue was originally cast in 1252, following an idea by the priest Joko, who also collected donations to build it. The sculptors were One-Goroemon and Tanji-Hisatomo.
The statue is approximately 13.35m tall and weighs approximately 93 tons. The statue is hollow, and visitors can view the interior for 20 Yen a person.
source: Wikipedia
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