Salmon circle as they head from salt water in the Shilshole Bay into fresh water in Salmon Bay at the Ballard Locks in Seattle.
Salmon circle as they head from salt water in the Shilshole Bay into fresh water in Salmon Bay at the Ballard Locks in Seattle. Elaine Thompson AP
Salmon circle as they head from salt water in the Shilshole Bay into fresh water in Salmon Bay at the Ballard Locks in Seattle. Elaine Thompson AP