From the Rivers & Streams gallery at CathySummers.com.

Photograph by Cathy Summers

20200217_009: Small Standing Wave on the Potomac River - 1/2 Second Exposure
My Stars = 4

Camera: NIKON Z 7

1/2 sec. at f/8, ISO 400

200 mm (70.0-200.0 mm f/2.8)