Gotta say a subsidy of more than £13 per visitor is difficult to justify and 'unsubstainable' to use the current parlance. You could probably run a minibus tour of the real monuments for less.
I hope they keep the earthwork monuments intact and don't bulldoze them, perhaps we should campaign for them to be 'listed' as a permanent memorial of the site. Hopefully they can find something useful to do with the building and protect some of the surroundings.
Something is not right. This message is just to keep things from messing up down the road