coastline Cornish cornwall cracked Daymer Bay England english gray Great Britain grey natural nature purple rock sedimentary striped architecture Greys Court historical home house lawn manor mansion national trust oxfordshire prosperous splendid Allium triquetrum bulb Enlgish flowers petals spring three-cornered leek white wild boundary.nature edge field green landscape moor moorland north northern panorama view ancient garden hedge Lytes Cary old stone topiary avebury menhir monolith neolithic pillar West Kennet Avenue wiltshire brick buildings castle defence defense elements gaol jail LINCOLN medieval security leisure Loseley House Meadow Rue plants pleasure summer Surrey Thalictrum Buckinghamshire Cliveden House clock decorative gold grand ornamental ostentatious tower arches Bedfordshire bridge buttercups marshy meadow yellow