alone calm coastline desolate distant dusk empty England english evening Great Britain horizon January loneliness lonely peaceful remote sea shoreline silver Sussex tide water waves winter Australia Bay of Islands blue cliff eroded erosion Great Ocean Road landscape layers Natural landscape nature ocean rock sandstone sky terrain beach coastal Cornish cornwall holiday leisure natural pleasure pools rockpools rocks shore tourism vacation view breakwater child children coast enjoy enjoyment fun games groyne kent play playing sand summer wave wet balance canada ebenezer harmony inukshuk mark marker memorial peace perfect pile pillar seashore serenity stack stone tranquil boulders clifftop gorse granite granitic hard headland hillside island plants bay inlet surf algae resort sandy seaweed