This image was created many years ago as I experimented with long exposures, and is a combination of two images.
The first, featuring the boy, was taken after setting up and taking some test exposures as I awaited a group of (distracting) boys to leave the rock.
The second was the shot I wanted - a long exposure to smooth out the water.
It was only after looking at the images later that I saw the option of adding the boy to the scene.