The most spectacular art treasures of the church are its gorgeous Byzantine mosaics, glittering Old Testament scenes high on the walls (don't forget the binoculars), and a triumphant Mary and Jesus enthroned in the apse over the high altar.
The church does not feature any biblical scenes on its walls. 
mnli hypothesis: The church does not feature any biblical scenes on its walls.  premise: The most spectacular art treasures of the church are its gorgeous Byzantine mosaics, glittering Old Testament scenes high on the walls (don't forget the binoculars), and a triumphant Mary and Jesus enthroned in the apse over the high altar.