William wrote today about plans to fix the Iidamaru Yagura. William explained that repairs would be accomplished “by wrapping the entire turret in a steel frame to allow three cantilever beams to be inserted into the foundation of the turret, relieving the weight from the stone walls.”
This video report from NHK includes an image of how that steel frame with wrap around the turret.
– Kirk
http://www3.nhk.or.jp/news/html/20160616/k10010558851000.html