The nave is a wonder of light and lofty proportions, enhanced by the luminous beige stone and the splendid ribbed vaulting.
There are no ribbed vaults to be found inside the nave. 
mnli hypothesis: There are no ribbed vaults to be found inside the nave.  premise: The nave is a wonder of light and lofty proportions, enhanced by the luminous beige stone and the splendid ribbed vaulting.