blue clouds coastline Cornish cornwall England english Great Britain horizon natural nature ocean rocks sea shore sky spume surf water waves animal cloud domesticated eat farm feed field grass graze landscape livestock mammal meadow sheep hedge background broken eroded erosion geology gray grey layers rock sedimentary texture worn yellow fishing glare harbour haven rocky stone tide wall cliff face grazed stark developing fern fresh fronds garden growth pinnae plant pteridophyte spring stems temperate tree unrolling beach fun holiday leisure low pleasure sand sandy vacation bank bend boat moored motor launch Mud river trees verge cave hidden hillside