beach bleak coastline cold desolate empty England english gravel Great Britain groyne harsh lonely marker october sea seaside shingle shore spray Sussex water wave windswept asphalt bitumen broken cracked cracks damage damaged damaging danger dangerous dry hole holes pothole potholes risk risky road rough street surface surfaces tarmac uneven alone calm coast January remote shoreline wavebreak waves wild winter bank brassicaceae coastal Crambe maritima Cruciferae Cuckmere Haven ecology habitat halophyte halophytic natural nature plant sea kale stones summer landscape plants backgrop background concrete construction gray grey leaf leaves macro material pattern pebble pebbles pile rock rocks sand stone texture tile wallpaper