bluebells dappled deciduous Devon England english flowers forest fort Great Britain Hyacinthoides iron-age light natural nature shadows spring sunlight trees woodland arch brick bridge canal countryside little peaceful quiet reflections river rural small Sussex tiny tranquil water alone autumn fall field lone oak one outline Quercus silhouette single tree winter boundary castle Causeway damp edge exercise green landscape margin marshy meadow ruins stroll walk walkway animals domesticated farm graze lambs mammals peace sheep South Downs track valley ancient architecture buttress checkered chequered christian church cobblestone elements flint historical old religion religious stone tower window cloud Devil's Dyke dry hillside path shadow stormy weather botany California Tree Poppy Coulter's Matilija Poppy garden Herbaceous plant perennial petals Romneya coulteri summer white yellow Buckinghamshire Chiltern Hills cumulus downland Downs escarpment grassland Natural landscape plain plant sky view