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Salmons swim upstream during their migration to the spawning grounds on Ganaraska River at Port Hope in Southern Ontario, Canada, on Oct. 12, 2019. (Photo by Zou Zheng/Xinhua)
Salmons swim upstream during their migration to the spawning grounds on Ganaraska River at Port Hope in Southern Ontario, Canada, on Oct. 12, 2019. (Photo by Zou Zheng/Xinhua)