Roman design pebble mosaic, Ravenglass

A Roman design pebble mosaic featuring a Roman ship overlooks the Ravenglass Estuary in the Lake District National Park, West Cumbria.
Ravenglass was a 2nd century Roman settlement known as Glannaventa. It was their most southerly point of the Cumbrian coastal defence system and is the western extremity of the Roman frontier World Heritage Site.