Answer:
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
Before Mount Everest was discovered what was the highest mountain on Earth?
What goes up and down stairs without moving?
Lives in winter, dies in summer, and grows with its roots upward. What is it?
The answer I give is yes, but what I mean is no. What was the question?