beach blue cliff coastline Cornish cornwall cove England english fun Great Britain holiday leisure natural nature pleasure rock rocky sand sandy sea shore tide vacation waves yellow alone bar bleak cold desolate empty frame groynes January lonely plank post structure Sussex timber wave wavebreaks winter wooden worn boulders clifftop hard headland hillside inlet ocean rocks surf view water bay sport surfers crashing engulfing foam force power roaring seething turbulent violent white Armeria danger field flowers green meadow seethe thrift wild flow incoming plants racing cliffs sheltered spring Alcudia Alcúdia Balearic Islands break conifers erosion island islet little majorca Mallorca pines small Spain tiny trees curved exercise fence fencing footpath path protect safety trail Trek walk