This extraordinary idea, which helps migratory salmon reach their spawning grounds, allows wild salmon to reproduce.
Please watch this: https://youtu.be/HN6sjnUbjoM
It also apparently aids water conservation and irrigation.
Amazing. Is this the end of farmed salmon? Probably not.
If you have not yet read the delightful novel, “Salmon Fishing in the Yemen” by Paul Torday, please do so.