chalk cliff coastline distance distant England english exercise field footpath grass Great Britain green meadow national park natural nature path sea Seven Sisters summer Sussex track trail view walk beautiful beauty bush hill landscape pastoral peaceful quiet rural shrub sky slope South Downs steep tranquil tree verdant village animal cloud domesticated farm livestock mammal peace rest sheep shelter bridleway danger hedgerow panorama passing rain storm walking abundance abundant clover diverse diversity ecology flora flowers habitat hills profusion rich umbellifer wild coast crumble crumbling dangerous drop edge face folly foolhardiness foolhardy foolish foolishness risk risky rock sheer silly stupid stupidity tourism tourist unsafe Acer amber autumn brown color colour crimson fall garden leisure national trust orange park pleasure red russet rusty Sheffield Park tawny trees yellow ancient architecture beams black building chimney half-timbered historical home house leaded old plaster pots roof storey tiles timbers town Tudor upper white windows wooden blue cattle cows fields herd hillside meadows resting woodland adult bird birds breed breeding colony crowd egg fledgeling group gull gulls immature kittiwake line nest Rissa tridactyla sea birds seabird seabirds young