“living being” is singular here: The four cherubim are considered as one beast. The icy firmament refers to the waters taken up above the firmament in Genesis. It also refers to the blue veil that separated the Tabernacle from the Altar. Then Ezekiel sees the Charioteer riding in this Chariot (Ezekiel 1:26–28). He sees a blue (lapis lazuli) throne, the color of heaven, above the firmament. The person enthroned has the “appearance of a man.” He is divided in half: “And I saw from the appearance of
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