Balearic Islands blue boisterous churn cliff coastline danger fierce majorca mediterranean natural nature rock rocky rough rugged sea shore Spain spanish stone swirl tide water waves algae beach Cornish cornwall England english Great Britain holiday leisure ocean resort sand sandy seaweed surf vacation cloud clouds colors eu galicia green horizon horizontal horizontally line linear mount mountain plants rocks sky solid unbroken white atlantic calm clifftop outcrop peaceful placid tranquil view Armeria bank bay flowers pink thrift wild Catalan catalonia Catalunya coast conifers costa brava cove forest headland pines seaside trees woodland Australia Bay of Islands eroded erosion Great Ocean Road landscape layers Natural landscape sandstone terrain