In reply to skog:
That's me told!
I do wonder how the descriptions of some Donalds will go.
Donald 34 "Go up the rounded grassy bump until you are at the top; take a spirit level"
Donald 35 "Go up the rounded grassy bump until you are at the top; take a spirit level"
Donald 36 "Go up the rounded heathery bump until you are at the top; take a spirit level"
Donald 37 "Go up the rounded grassy and heathery bump until you at the top; take a spirit level"
...