I wish the United States, and the world at large, had more patience for things like this. We have the craftsmanship ability but not the institutional patience. Inspiring inginutiy. 3:30 long.
In the past, making and developing metal was too costly for carpenters in Japan. So instead of using nails, carpenters called "miyadaiku" developed unique methods for interlocking pieces of wood together, similar to a giant 3D puzzle. Takahiro Matsumoto has been a miyadaiku carpenter for over 40 years.