There was a voice from the expanse that was over their heads whenever they stood still and let down their wings.
The likeness of the expanse over the heads of the living creatures was as the awesome gleam of crystal, stretched out over their heads above.
Then I looked, and behold, on the expanse that was above the heads of the cherubim there appeared over them, as it were, a sapphire stone, as the appearance of the likeness of a throne.