countryside direction England english exercise footbridge footpath forest Great Britain landscape natural nature path spring Sussex track trail travel trees walk woodland chalk cliffs clouds coastline dusk gleam golden reflection sea Seven Sisters sky sun sunset water crataegus dew green.grass hawthorn pond pool shrub South Downs tree viewcloud cloud farm field graze green hillside horizon panorama sheep stormy valley village beams climbers flowers garden HDR patio peaceful pergola pillars plants rural stone summer tranquil view downland hike hills Trek abundant.abundance buttercup many meadow profusion ranunculus rich wild yellow distance distant fields grass group oak parkland Quercus shade three trio wiltshire autumn beautiful beauty course flow quality river Symonds Yat wye