downland England english footpath Great Britain green hike hill landscape natural nature summer Surrey track trail travel Trek view walk autumn brown color colour deciduous fall November parkland russet rusty sunlight tawny tree trunk cloud cumbria farmland field hedge lane meadow road rural sky trees bracken cliffs clouds coastline Cornish cornwall hills plants rocks sea vegetation water waves asphalt countryside grass Natural landscape Road surface verge wall boulder fell hillside moorland mountain outcrop rock rugged spring waterfall enjoyment exercise fresh fun leisure outdoors path architecture beach holiday huts Seaford seaside shore Sussex vacation harbour haven home house ocean Porthleven safety town walls direction route banks Bedfordshire flow peaceful quiet reeds river tranquil waterweed