Just watched the little film - very good I thought. The introduction with Silbury covered in snow and shrouded in mist captured the mystical quality of the site.
Well done Heritage Action for your efforts in calling English Heritage to account - they now appear to be articulate and open about the progess of the on-going work. There is no doubting it must have seemed a daunting task at the outset - however much expertise was, or was not, at their disposal.
(By clicking on 'email to a friend' you can enlarge the film to almost full screen)

June

"After protecting the tunnel opening from the weather..."

So why didn't they do that:
a) when the shaft first collapsed on top?
b) before the recent rains came (water ingress was given as the reason the halt to works a week or so ago)

??