alt Hacker News> 10,000 year old fish traps in my old home region are still in operation...
You mean that the design is so old or that the traps themselves are?
> 10,000 year old fish traps in my old home region are still in operation...
You mean that the design is so old or that the traps themselves are?
The traps themselves. Look up “Brewarrina fish traps”