ireland. county meath. knowth passage tomb.

aerial ancient archaeological archeology art boinne boyne bru building burial celt celtic cemetery chamber countryside county cremation culture drogheda drone dublin eire europe excavated exterior grave graveyard heritage hill hills hilltop historic historical ireland irish kerbstones knowth landmark landscape meath megalithic monument mound mounds national nature naul neolithic newgrange old outdoor outdoors outside passage passageway pilgrimage prehistoric religion religious river round ruin ruins rural settlement sight sill site spiritual spiruality stone tara temple tomb tourism travel valley view world