Telegraph: They are the breathtaking landscapes and historic buildings which help define the south-west coast of England. The report says 170 miles of coastline could be affected by erosion The familiar, rugged coastlines, cliffs and beaches of Devon, Cornwall, Dorset and Somerset are quintessentially English. Ancient monuments, pathways and sheltered harbours all provide clues to a rich maritime history. But the National Trust, responsible for the care of special places …