> over every hill, dale, nook and cranny in England That would take topography into account which another rabbit hole like calculating the perimeter of Great B

> over every hill, dale, nook and cranny in England That would take topography into account which another rabbit hole like calculating the perimeter of Great Britain. Cf. Stand-up Maths, Does "land area" assume a country is perfectly flat? https://www.youtube.com/watch?v=PtKhbbcc1Rc https://www.youtube.com/watch?v=PtKhbbcc1Rc