From the Manipulated Images gallery at CathySummers.com.

Photograph by Cathy Summers

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20190817_247_HDR_DryBrush: Kayaker Runs The Spout at Great Falls Race - Dry Brush Effect
My Stars = 5

Camera: NIKON D850

1/1600 sec. at f/10, ISO 800

500 mm (500.0 mm f/5.6)