countryside England field high landscape panorama park path rural spring sunlight Sussex track tree view Weald wood alone hill oak Quercus shadow silhouette single solitary winter forest Great Britain green isolated lone South Downs stark blue crop energy HDR Nyberg oil power rape seed sky trees windmill yellow artistic artwork bench black and white corn loneliness love lovely nature poetic quiet romantic beef bovine bull bullocks calf Calves cattle cow cows grass graze grazing meat pasture cottage fence hedge lane Powys valley wales welsh