beech chalk England Fagus forest Great Britain landscape lane natural nature path path through the woods South Downs spring track tree wood bridleway countryside english exercise footpath peace rural Sussex trail tranquil trees walk woodland woods autumn berries berry bush leaf leaves poisonous red shrub Viburnum Wayfaring tree wild Birling Gap cliff coast cream danger evening face height high rock rockfall stone white animals Balanus barnacles beach creature crustacea marine Mollusca mussels Myrtilus Pembrokeshire rocks sealife united kingdom wales welsh atlantic blue cloud distant edge far horizon huge madeira ocean panorama plant reflection sea sky vast vegetation view water barn duckweed lily Michelham moat pad plants priory protection reed summer waterlily clouds farm field hill meadow Weald crataegus dew green.grass hawthorn pond pool