animal cumbria England farm field Great Britain green landscape livestock mammal meadow natural nature pool rural rut sheep track view wall animals breed domestic domesticated english fleece flock grass graze hill hillside mammals pasture South Downs Sussex variety winter wool cloud Crows peaceful sky summer tranquil trees bush peace rest shelter shrub slope tree estuary forest hills Mawddach river wales water welsh distance distant north northern remote rugged spring horizon panorama stormy valley village lamb national park storm black countryside shorn white calm grazing quiet shade Surrey wood