aerial view of knowth, the largest and most remarkable ancient monument in ireland. prehistoric passage tombs, part of the world

aerial ireland knowth landscape legend megalithic monument mound neolithic newgrange passage place prehistoric site stone structure sunny tomb tourist travel destination view historic great grave flyover age ancient archaeological archaeology donore road bru boinne ceremonial chamber world heritage art drogheda bui famous drone bright civilization boyne county meath visitor entrance burial bronze dowth cnoc