Answer:
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
A dragons tooth in a mortals hand, I kill, I maim, I divide the land.
What weaves webs as they grow?
What dress does everyone have, but no one wears?
It's what light turns into in the night
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?