In appearance their form was human, but each of them had four faces and four wings. Their legs were straight; their feet were like those of a calf... had the face of a human being, and on the right side each had the face of a lion, and on the left the face of an ox; each also had the face of an eagle. They each had two wings spreading out upward...and each had two other wings covering its body...The appearance of the living creatures was like burning coals of fire or like torches. Fire moved back and forth among the creatures; it was bright, and lightning flashed out of it