Its Gothic cathedral dominates a charming old town (vieille ville) of medieval and Renaissance houses on Rue Saint-Martin, Rue Saint-Malo, and Rue Bourbesneur.
The houses feature Gothic designs. 
mnli hypothesis: The houses feature Gothic designs.  premise: Its Gothic cathedral dominates a charming old town (vieille ville) of medieval and Renaissance houses on Rue Saint-Martin, Rue Saint-Malo, and Rue Bourbesneur.