O.P.S.M. museum was founded to inherit the important engineering heritages. We will introduce you the history of water control, irrigation and reclamation which has been deeply concerned to our daily lives from the ancient times.

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ZONE 2 : Birth of Sayamaike Pond

Dendrochronological survey of the unearthed wooden pipes proved that the pond had been completed in the early 7th century A.D. We also found the pipes of earliest Edo Era set right beneath the older ones.

The pipes set in early 7th century A.D.

 The pipes set in early 7th century A.D.(Important cultural properties) 

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