Q.What eat the grass?
A.Fine large stags and deer.

Q.How did those beautiful places become ugly black wet bogs?
A.The trees, when they got old, fell into the rivers and stopped them up.

Q.What did this cause?
A.The water flowed over the banks.

Q.What harm did this do?
A.It made all the nice grass wet and marshy.

Q.What more?
A.It rotted the roots of the trees.