caption: The image shows a drawing of a boat in the water, drawn by Joseph Mallord William Turner in 1797-1851. The boat is depicted in great detail, with its sails billowing in the wind and its hull glistening in the sunlight. The water is calm and still, reflecting the sky above and the surrounding landscape. The colors used in the drawing are mostly shades of blue and green, giving the image a peaceful and calming atmosphere.