animals Balanus barnacles beach coast creature crustacea Great Britain marine Mollusca mussels Myrtilus natural nature Pembrokeshire rocks sealife united kingdom wales welsh arable crop England farm field green landscape meadow peace rural shadow South Downs sunlight tree uk blue bluebells coastline flowers Hyacinthoides island sea ship Skomer spring tanker water wild campion flora maritima Silene uniflora Cardamine Cruciferae cuckoo flower flower Lady's smock many mauve multitude profusion Sussex brownfield courtyard development Garden Festival Gateshead homes houses housing modern North East regeneration Staiths Staiths South Bank Tyne algae cliff eroded erosion hillside sand seaweed shore view coastal danger edge rock summer surf Abbey ancient architecture building cathedral christian church Dorset historical ornamental religion religious sandstone stone tower window worship