Behold: the salmon cannon

Salmon populations in the northwest United States are in decline, and man-made dams have hindered their migration back to the headwaters of the rivers where they were born in order to spawn. As Francis Maguire reports, it’s for this reason Whooshh Innovations has come up with the ‘Salmon Cannon’.

from Reuters Video: Environment https://ift.tt/34puJwf https://ift.tt/2ElHptJ
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