Retreat to Reigandō
· Reigandō Cave, Kumamoto, Japan

Wikimedia Commons · Creative Commons Attribution-Share Alike 3.0 Unported · file Musashi retired to Reigandō cave as a hermit and wrote The Book of Five Rings there.
· Reigandō Cave, Kumamoto, Japan

Musashi retired to Reigandō cave as a hermit and wrote The Book of Five Rings there.