Original sentence: But though the Celts did not construct the monuments, the religious significance of these places may well have endured from earlier times and the Celts eventually adopted the practice of worshipping there as well.It was not the Iron Age people known to us as Celts, but rather earlier inhabitants of Europe who built Stonehenge and the other megalithic monuments in the areas settled by the Celts
Edited sentence: But though the Celts did not construct the monuments, the religious significance of these places may well have endured among the conquered people and the Celts eventually adopted the practice of worshipping there as well.It was not the Celts, but rather earlier inhabitants of Europe who built Stonehenge and the other megalithic monuments in the areas settled by the Celts