ocean pink seawall sky sunset bench gulf sea ship water boat park red reflection breakwater coast coastal coastline concrete edge green moss seaweed shore architecture beach defend defensive England english Great Britain high home house low protect Robin Hood's Bay sand stone strong tide yorkshire blue Devon Exmouth homes houses seafront seaside town wall waves anchored boats dock docked fishermen harbor harbor-front harbour harbour-front jetties Jetty loading pleasure craft ships unloading vehicles walkways wharf cloud defence defense Dorset lamp light Lyme Regis promenade railing secure security ascent blocks brick cement descent lake launch old pier river stairs steps walkway