The parallel stories of collapsing Pacific salmon populations and how biologists and engineers have become instruments in audacious experiments to replicate .\r<br>\r<br>Salmon Running the Gauntlet (Nature Documentary, Full Length) Best Documentary 2016 The Great Amazing Nature [Nature Documentary]\r<br>\r<br>Salmon Running the Gauntlet (Nature Documentary, Full Length) Док: фильм /Все про Космос/ 2016-HD.
