We travel much, yet prisoners are, and close confined to boot.
Yet with any horse, we will keep the pace, and will always go on foot.
What are they?
What goes up, but at the same time goes down?
Up toward the sky, and down toward the ground.
Its present tense and past tense too,
come for a ride, just you and me!
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: