ancient army Camp celtic field meadow medieval age medieval camp medieval tent military postation summer tent tents trees white cloud farming grass green hill landscape new zealand peaceful rural sheep sky slope spring terrain tranquil autumn countryside cumbria drystone wall England english farmland fields Great Britain hills nature panorama view Buckinghamshire natural peace quality West Wycombe flowers grasses Hampshire plants stems sunlight wild animal boundary domesticated farm fence livestock mammal old Pembrokeshire run shorn stone traditional wales wall welsh destination hedgerow lane pole road Sussex telegraph track crop February hedge tree winter woodland fresh plain rustic Surrey closed double fall gate iron stubble