autumn beech british colour copper England Fagus fall forest gold Great Britain leaf leaves natural nature path russet Sussex tawny track trail trees uk wood cows english farm farmland fence field fresh air grass landscape line meadow open sepia South Downs space view winter animal cow follow green lead leader livestock mammal pastoral pasture summer three trio alone bracken clouds heath heathland isolated lone oak one Quercus robur single sky tree cloud crop evening hills rural slope steep wheat woodland countryside direction distance distant hill travel ah branches bridleway destination exercise footpath Fraxinus Quercus walk beach Birling Gap boulders chalk cliff coast coastline cream eroded erosion remnants rock sea shore stone white