Traditional wooden groynes reach out into the sea off Llanddulas beach in North Wales. The overcast, windless day is drawing to a close, and the becalmed water and mist filled sky become 'as one' making it impossible to tell where water ends and sky begins. As the sea receeds on a retreating tide some of the beach boulders are just visbible above the water line and they are covered with Winkles t