Down in the hollow things have changed since Steve Daniels stood on much the same spot in 2012 http://www.geograph.org.uk/photo/3241102 There's a substantial construction project underway, but as to its purpose, I wouldn't hazard a guess.
Uploaded to Geograph by Stefan Czapski on 30 March 2017
Photo © Stefan Czapski, 30 March 2017. Licensed for reuse under this Creative Commons licence