The Golden Hall at Kongobu-ji is a fascinating blend of old and new Japan - while it looks purely traditional, it's actually a 1932 rebuild using steel and concrete, designed specifically to survive earthquakes and fires. That's such a Japanese solution - keeping the ancient appearance while quietly reinforcing it with modern engineering.

What's particularly interesting is how they trusted the redesign to Dr. Goichi Takeda, letting him create something that honored the original while making it more resilient. In a place as historically significant as Mount Koya, that kind of architectural evolution tells its own story about how Japan preserves its past.