Church of Saint Peter in Tuscania. From WIKIPEDIA: The main monument of the city is the church of Saint Peter (San Pietro in Italian), in Lombard-Romanesque style, begun in the 8th century and renovated in the 11th-12th centuries. The interior has a nave and two aisles divided by low columns and pilasters incorporating half-columns, with antique and mediaeval capitals.

Saint Peter's church in Tuscania.

The rose window in St. Peter's church in Tuscania.