Tide Turn Star

Created this on the edge of the water, using some of the many little white shells on the sand, not quite sure if it would be quickly submerged. As it happened, having taken this picture and then walked to the end of the beach and back it turned out I'd made it more or less at the high water mark. When I got back to it the sand was wet up to the middle but it was still more or less intact and the sea had fallen back again,