beech creepy eerie England english Fagus sylvatica Great Britain high holly ilex natural nature standard tall trees trunk understory winter woodland alone clouds countryside field lone oak one Quercus rural silhouette single sky Sussex tree autumn ecology ecosystem fall forest green leaf leaves pond pool reflection water border boundary edge exposed farm hill hillside landscape moor moorland remote spring view wild bed calm February peaceful quiet reeds river shallow tranquil chilly cold footpath slope snow snowy track Trek walk Alexanders Apiaceae cliff coast coastal Cornish cornwall edible flowers plant Smyrnium olusatrum Umbelliferae yellow conifers direction evergreens exercise path pines trail travel Betula birch deciduous sunlight trunks white