At Wakayama Castle, no progress has been made in repairing damaged walls after almost a year due largely to the high cost and specialized skills required. Reassembling the wall is like working on ...

Unlike many of the castle’s other remains found at the ... The roughly 4-meter-high stone wall was discovered in November last year on the grounds of Sannomaru Shozokan (The Museum of the ...

During medieval sieges, this destruction machine crushed castle walls. Using trial and error, medieval engineers adjusted the trebuchet to make sure its missile hit the castle wall—and destroyed it.

Ensuring safety and security is another major challenge for rebuilding the castle's stone walls. Stone walls have such a high cultural value that they should be restored to their original ...