I believe that there have already been enough investigations of the henge to have discovered any stone setting, if it had existed.

Already, this most recent dig has found signs of a settlement. You don't come across buildings within stone circles, or most henges.

At Durrington Walls, Mike Parker Pearson stood on a neolithic floor and told me: "You can't see another one of these this side of Skara Brae." Right now, you can.