access barrier countryside England english exercise fence footpath gap Great Britain green hedge nature neglected overgrown path post ramble rural step stile Sussex track trail walk walking wooden bridleway destination direction distance distant fields grass hills landscape natural sky South Downs spring travel trees view field flowers golden harvest meadow national park papaver poppies poppy stubble summer verge wild beach Birling Gap boulders chalk cliff coast coastline cream danger erosion evening face height high rock rockfall sea shore stone white bark Betula birch forest fresh heath heathland leaf leaves path through the woods silver tree wood abundance abundant Allium ursinum bank bulb garlic herb plant profusion ramsons woodland animal antenna butterfly Centaurea feed feeding flower flowerhead insect knapweed Lepidoptera proboscis rhopalocera skipper small small skipper suck sucking Thymelicus tiny tongue wing adult adventure barley bond boy child crop dad father generation guide Hordeum man offspring parent son toddler together autumn color colour fall lane light road shade shaded shadows shafts sunlight transport ancient architecture building christian church clock cold February gravestone graveyard historical history old peace religion religious sanctuary snow snowfall tower traditional window winter