13. The form of the living creatures was like the appearance of burning coals of fire and torches. Fire was moving back and forth between the living creatures; it was bright, with lightning coming out of it.
14. The creatures were darting back and forth like flashes of lightning.
15. When I looked at the living creatures, there was one wheel on the ground beside each creature that had four faces.
16. The appearance of the wheels and their craftsmanship was like the gleam of beryl, and all four had the same form. Their appearance and craftsmanship was like a wheel within a wheel.