conifers edge England english forest Great Britain landscape natural nature path pines Pinus Sussex track trail trees trunks autumn color colour fall fence lane leaves road rural shade sunlight apple blossom cluster flowers Hampshire Malus petals pink spring stamens tree white cloudscape dordogne field France french grass hill outdoor scenic sky slope summer woods altitude America arid bare cloud dry height high mountains panorama rock Rockies sere usa branch trunk uk bank blue canada current curved evening flow light mountain river shadow shallows shore water