bird blue cliff coastline Great Britain gull herring gull natural nature Pembrokeshire rocks sea shore united kingdom wales water welsh danger horizon islet rock summer cave face ripples wild bend burn drain drainage dune dunes flow gentle grass highland marin perspective pour river sand sandy scotland stream bay flowers homes houses inlet Lofoten Islands norway norwegian ocean seaweed clear cloud highlands hill lenticular Loch Maree mountain peak scottish sky Slioch summit tall Wester Ross angry boisterous boulders coast rough spray spume waves Australia background beautiful botany day flower garden horizontal image iris leaf path petal photography plant season spring stalk stem