Answer:
A shimmering field that reaches far. Yet it has no tracks, And is crossed without paths.
I can sizzle like bacon, I am made with an egg. I have plenty of backbone, but lack a good leg. I peel layers like onions, but still remain whole. I can be long, like a flagpole, yet fit in a hole.
What has two hands, a round face, always runs, but stays in place?
In the night a mountain, in the morning a meadow.
An iron horse with a flaxen tail. The faster the horse runs, the shorter his tail becomes.
It rows quickly with four oars but never comes out from under his own roof. What is it?