We'll send you down a wagon load of Yorkshire fighting sheep Pete. A few randy swaledales orta keep the freaks off the hill.
I'm reluctant to let loose the goats tho'...they'll definitely keep the buggers off the hill....but the hill won't be much to look at once they've finished.
Current working theory - Goats, The Great Levellers!
Goats built Thornbro' ...the circumference of each henge is 2X the radius of a late neolithic goats tether.
Voddie eh...don'tcha love it!