Headed north to escape the weather. Northumbria has a lovely stretch of coast. It was thought Hitler might have been tempted to visit. Some of these WW2 concrete blocks designed to hinder an Axis invasion still have sharp edges but others are showing signs of seventy years of being buffeted by the sea twice daily. Elsewhere some have are almost buried by the shifting sands. This is Birling Carrs at the north end of Warkworth Dunes.