Armeria blue cliff clifftop coastline Cornish cornwall England english flora flowers Great Britain green horizon islands islets landscape natural nature rock sea shore spring thrift view stacks Balearic Islands boisterous churn danger fierce majorca mediterranean rocky rough rugged Spain spanish stone swirl tide water waves algae beach holiday leisure ocean resort sand sandy seaweed surf vacation Barmouth boat bridge Causeway estuary gantry girders hills line low mountains Mud pillars railway tidal wales welsh yacht bay family fun Jetty kent play relax sky summer tourism wave hillside rocks seethe seething wild Airey's Inlet Australia Great Ocean Road Marine Reserve Natural landscape stack terrain water resources Camp campers camping campsite grass Lofoten Islands mound norway norwegian tent cove flow incoming inlet racing