Under the canopy carved with Romanesque-Byzantine reliefs is the high altar, richly encased in elaborate, bejeweled, and enamelled plates of gold and silver.
The plates are gold and silver.
mnli hypothesis: The plates are gold and silver. premise: Under the canopy carved with Romanesque-Byzantine reliefs is the high altar, richly encased in elaborate, bejeweled, and enamelled plates of gold and silver.