The Transfiguration Mosaic at Sant'Apollinare in Classe, Detail: Elijah

Like Moses on the left, Elijah directs the viewer's attention to the central cross that represents Christ. Also like Moses, he wears a flowing mantle over an innner garment striped like a toga.

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Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.