vibrant sky at castlerigg stone circle in the lake district

age amphitheatre ancient atcastlerigg beautiful blue boulders britain british bronze calm castle castlerigg circle country countryside cumbria district dramatic druids england english great green hills keswick lake lakeland landscape monuments morning mountain national nature neolithic ofcastlerigg outdoors park peaceful picturesque prehistoric remains rigg rocks rural scenery scenic serene site sky stone stones sunny sunrise tranquil valley vibrant wild winter