How Can a Building Stand Without a Single Nail?

No nails. No screws. Just wood — locked perfectly into place.

For centuries, Chinese craftsmen have used mortise-and-tenon joints to connect wooden structures through precisely carved interlocking pieces.

The technique can be found in traditional Chinese furniture, temples and ancient buildings, where different wooden components fit together and support one another.

Sometimes, the strongest connection doesn't come from force — but from a perfect fit.