Snow geese fly over field near Fraser River in Richmond, Canada
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Flocks of snow geese fly over a field near Fraser River in Richmond, British Columbia, Canada, Oct. 29, 2021. (Photo by Liang Sen/Xinhua) 
Flocks of snow geese fly in the sky near Fraser River in Richmond, British Columbia, Canada, Oct. 29, 2021. (Photo by Liang Sen/Xinhua)
Flocks of snow geese fly over a field near Fraser River in Richmond, British Columbia, Canada, Oct. 29, 2021. (Photo by Liang Sen/Xinhua)
Flocks of snow geese fly over a field near Fraser River in Richmond, British Columbia, Canada, Oct. 29, 2021. (Photo by Liang Sen/Xinhua)