background broken Cornish cornwall England english eroded fragments geology Great Britain natural nature pieces rock sedimentary shattered texture worn yellow beach blue cliffs coastline rocky sand sandy sea shore tide waves Anthyllis vulneraria coast flora flowers kidney vetch May pink spring wild developing fern fresh frond garden growth pinnae plant pteridophyte stems temperate tree barnacles Cirripedia low tide Mollusca mussels Mytilus rocks seashells sessile shellfish ancient architecture battlements Cotehele fortified historical house manor national trust old stone tower windows bushes dovecote rural trees apple bee blossom fruit honeybee Malus petals pollination stamens green landmark landscape meadow mirador Towan Head turret view coastal footpath path trail