aerial photo of beaghmore neolithic stone circles tyrone northern ireland

aerial photo beaghmore neolithic stone circles tyrone northern ireland peat cutting co cairns row runs burial ceremonial alignments boulders structures futile propitiatory architectural period collective tomb celtic slavic baltic cultures stoney littleton long barrow belas knap kennet knockdhu souterrain gussage cranborne dorset grans toyd hampshire mound ancient historic medieval irish