bridleway destination direction distance distant England english fields footpath grass Great Britain green hills landscape natural nature sky South Downs spring Sussex track trail travel trees view walk bark Betula birch forest fresh heath heathland leaf leaves path path through the woods silver tree wood abundance abundant Allium ursinum bank bulb flowers garlic herb plant profusion ramsons white wild woodland beech branch canopy Fagus oxfordshire shade shadow sunlight Trek trunk ramble shadows sunny sunshine uk blue clouds countryside downland exercise field hill meadow quality slope summer animal chalk equestrian grassland horse mammal peace ride rider ridge tranquil air-traffic-control aircraft airport architectural architecture aviation command communications control control-tower directions directives flight fly flying height high safety tower tower-signals tower-views tracking traffic visibilty background bay bog brown cliff cliffs coast copyspace heather highland horizon loch moor mountain mountains pale peat road scotland scottish sea seashore single track vivid autumn bracken color colour fall fence gold rural russet tawny trunks