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The ancient mound “Ishi Butai” in Asuka village in Nara Prefecture was said to have been constructed in the seventh century AD.The person buried in the stone tomb is thought to be “Soga No Umako(苏我马子)”.The second ceiling stone of the tomb is estimated about 77 tons in weight,and it is thought to be a relic Of the megalithic culture.Tomb of an enormous tunnel-type was practically restructured by Professor Aboshi (the deceased),author,and others in February,1984.From the experiment results,if ancient machine technologies of the sled,windlass,and the roller,etc.were used with excellent engineers;it was proven to be able to transport the megalith and to construct huge grave.
The ancient mound “Ishi Butai ” in Asuka village in Nara Prefecture was said to have been constructed in the seventh century AD. The person buried in the stone tomb is thought to be “Soga No Umako ” The second ceiling stone of the tomb is estimated about 77 tons in weight, and it is thought to be a relic Of the megalithic culture .omb of an enormous tunnel-type was practically restructured by Professor Aboshi (the deceased), author, and others in February, 1984.From the experiment results, if ancient machine technologies of the sled, windlass, and the roller, etc.were used with excellent engineers; it was proven to be able to transport the megalith and to construct huge grave.