Burrabor cloud Devon England english Great Britain lake landscape plant reservoir sky tree water architecture banisters carpet elements home house staircase stairs wood beach boulder chalk cliff coastline erosion February gravel rock sea shingle shore terrain waves beautiful beauty farm field gorse green hill moorland remote rugged summer vale valley view wild path track cold fence lane meadow road snow snowy tracks uk winter wintry animal Exmoor foal grass graze mammal mammalia moor nature pony heather panorama spring bridge Burrator dam River Meavy stone trees wall current danger foam pour rage river roar spray weir blue boundary fields hedge hillside natural united kingdom