Avena sativa cereal crop England english farm field grain Great Britain harvest landscape oats plant ripe Sussex cloud crowfoot flowers Italy natural nature pond pool Ranunculaceae ranunculus reflection sky spring water white bare barren flower habitat hard hill hillside red rock rocky Sardinia stonecrop stony calm lily lilypad moat peace placid view barrier boundary drystone grass moor moorland ruins stone tussock wall fog Haze meadow mist mountains plants Poland tree trees wild wild world architecture brick brickwork circle garden hole Polesden Lacey Surrey vignette Arrowtown branch flow Fluvial landforms of streams green leaf leaves mountain Natural landscape new zealand Riparian zone River Arrow Salix stream willow autumn bush dog land park shade trunk walk walking wood