bridleway direction England field Great Britain hike journey landscape natural nature path ridge sky South Downs space Sussex track travel view walk walker chalk distance distant english farm forest green hill steep summer trail trees flowers grass panorama peace plants quality village wild autumn fence meadow post rural countryside empty pastoral tranquil fields hills meadows spring crop wheat architecture barn buildings corrugated iron outhouse roof roofs coombe Devil's Dyke dry valley animal Chordata domestic domesticated flock livestock mammal ovis pasture peaceful sheep