Photo was shot during a river cruise on the Danube during an overcast day.  Due to low light a high ISO 0f 800 was required.   Camera was a Canon 7D Mark ii with a Tamron 28-300 zoom set to 46 mm.  Setting were aperture priority of f/10, ISO 800, resulting in a shutter speed of 1/320 sec.  Processed in Lightroom and Photoshop.