bay beach cliffs coastline Cornish cornwall cove England english Great Britain low tide natural nature ocean river sand sandy sea sheltered shore water waves hills cliff cloud reflections sky surf tide wet yellow exercise farm fence field footpath hike landscape lane path snow snowy South Downs Sussex track trail Trek uk walk walker winter countryside hill rural slope white boat deal dinghy dusk fishing gravel kent November red shingle view wooden direction distance distant journey peace ridge summer tranquil travel barrier boundary enclose enclosure green meadow pastoral pasture post support blue cereal crop Downs golden grain harvest panorama relax rest south