Original: Trevi has about twenty old churches , several of which are of note : The Duomo of Sant ' Emiliano is a Romanesque building with a carved door and an apse with carved corbels , the interior of which was significantly reworked in the 18th century .
Simplified: Trevi has about twenty old churches , some of which are interesting : the Duomo Sant ' Emiliano , a Romanesque building : it has a carved door and the back of the church has more sculpture .