Answer:
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
Plant whose name sounds like a dish full of dairy spread.
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them.
What's a place you have left but didn't enter?
The warmer I am the fresher I am.