I have been convinced this is a great plan. The architecture of a grass roof that you can walk up and on to is truly breathtaking. Well done to all the volunteers who are helping, as outlined on BBC radio recently
Full details of the Sill are here: http://www.thesill.org.uk/news/hexham-mp-backs-vision-for-northumberlands-10.5-million-landscape-discovery-centre
If you want to know what an MP looks like after a downpour then watch the video on the link! I am proud to say that I was the only one there recording that day who braved the torrential rain [aside from a very soggy cameraman / reporter!]