13. The living creatures looked like burning coals and torches. Fire moved back and forth between the living creatures. The fire was bright, and lightning came out of the fire.
14. The living creatures ran back and forth like lightning.
15. As I looked at the living creatures, I saw a wheel on the ground beside each of them.
16. This is how the wheels looked and how they were made: They looked like beryl. All four wheels looked the same. They looked like a wheel within a wheel.
17. Whenever they moved, they moved in any of the four directions without turning as they moved.