black poplar branches clouds country countryside evening February grass hill hills landscape nature poplar populus silhouette sky tree trees winter woods autumn drop fall forest gold golden leaf leaves park rain water abele England english Great Britain Populus alba rural summer Sussex white poplar big branch green large natural spring tall trunk deciduous fresh shade shadow sunlight trunks woodland abstract art blue cold dry horizon old Russia siberia snow sunny village white wood edge field light homes houses view willow cane lake mirror Poland pond reed scenery sunshine weeping willow background bark covered crevice gray grey hard lichen plant rough texture