sentences:  Saikū Historical Museum now stands on the site of the original discovery.Each year further excavations take place on a relatively small scale, with much of the Saikū site still untouched.As the ancient buildings were made of wood, which has long since disappeared, and the site was redeveloped several times over its long history, excavations can reveal several generations of buildings whose foundations must be matched together to form a view of the town's layout.