15. As I looked at the living creatures, behold, one wheel was on the ground next to each of the four-faced creatures.
16. The appearance and structure of the wheels was like the gleaming of beryl. The four had the same likeness, their appearance and their structure seemed to be a wheel within a wheel.
17. When they went, they went in any of their four directions without pivoting as they went.
18. Their rims were high and awesome—all four rims were full of eyes all around.