countryside England english exercise footpath Great Britain green hill landscape natural natyre path peaceful rural South Downs summer Sussex track trail tranquil walk cool.refreshing deciduous forest hike oak Quercus shade tree trees trunk wiltshire woodland field Hampshire hilly meadow nature outdoors rolling travel view blue bluebells flowers Hyacinthoides non-scripta spring Trek chalk crop downland farm grassland national park brown fall leaf leaves leisure Natural landscape plant Surrey winter wood beech Betula birch creepy Fagus mysterious old path through the woods Stump distance distant steep deep eerie Surrey Hills trunks ridge