Recently while stopped near a small lake, one tree was turning while everything else around it was fighting the change. The reflection is what caught my attention, as it was significantly darker than the light on the trees.
The water was moving, even though slowly, so I could not get a perfect mirror like reflection. So I stopped down the lens to allow for a longer shutter speed allowing the water to move enough to blur the reflection.
Exposure is 1.3 seconds, f/13 @ ISO100.