aquamarine blue calm coastline green Italy peace placid ripples sea shore stone water wavebreakers boat breakers coastal fisherman fishing nets rocks row rock steps town beach coast England english gravel Great Britain groynes pier seaside shingle Sussex worthing groyne January plank post sand structure wave wavebreak winter wooden bar frame stones stony timber worn beam breaker defence defense desolate norfolk shoreline Wells-next-the-Sea alone empty lonely remote waves wild bleak cold wavebreaks