[Depending on the scale, there's either a huge or tiny sandworm there.] While walking along the rocky beach by Hunstanton Cliffs, by The Wash estuary, which is an inlet of the North Sea, which was mostly rocky, there were a few areas of sand. And in one place there was an area of dark material (dirt, sand, seaweed flecks, ???). Mostly it was just areas of mostly black, but in one area, the outgoing tide had drawn some cool lines and patterns there. It kind of looks like desert mountains or some cool terrain (similar in a way to what I saw on Martha's Vineyard back in October 2021. This is the raw picture. More details will be coming once I process the pictures which will be at some point in time. images/Photos/sandy-black-sand-sm.jpg