You can immediately feel great attention to composition and camera position was taken for this image. The placement of the tree limbs in relation to the clouds, along with the timing of the exposure enhance a technically fine exposure. It doesn't appear to be enhanced for tone (HDR), so the timing of the light and its intensity was thought out beforehand.
The image is peaceful and soothing with details well defined. The leaves remaining on the limbs are a bonus not expected but welcome. As nice as this is, I would welcome even more on each side to make this a panoramic. People would be nice but this would change the feel and is just another option.