autumn color colour England english fall footpath forest Great Britain leaves light natural nature path shade shaded shadows shafts sunlight Sussex track trail trees trunks woodland Armeria blue cliff coastline flowers hillside island Pembrokeshire pink rocky sea shore Skomer spring summer thrift united kingdom view wales welsh wild ancient architecture buttress checkered chequered christian church cobblestone elements flint gravestone graveyard historical old religion religious stone tomb tombstone tower window cottage countryside farm farmhouse fields grass green hills home house landscape meadows rural sky South Downs archers slots barn brick building cobble doors landmark mediaeval medieval norfolk property stanchion storehouse stronghold thatch traditional buttresses stanchions case Castanea chestnut edible fruit leaf nut Prickly seed shell spikey spiky spines spiny tree chalk downland flora grasses plants pyramidal orchids quality steep