Ezekiel 1:5, 22, 26
Ezekiel 1:5 NKJV
Also from within it came the likeness of four living creatures. And this was their appearance: they had the likeness of a man.
Ezekiel 1:22 NKJV
The likeness of the firmament above the heads of the living creatures was like the color of an awesome crystal, stretched out over their heads.