for Mark the Evangelist, the angel for Matthew the Apostle and the ox for Luke the Evangelist. The interior has latine cross plan with a single nave. The most precious art piece is the wooden Christ over the altar, of Umbrian school. San Francesco: This church from the second half of the 13th century is the sole religious edifice in the city having a nave with two aisles. The vaults are supported by octagonal pilasters. The frescoes in the left side date from the 15th century. Santa Maria Nuova: This is a typical Cistercian church of the 13th century. In the interior is a 14th-century fresco portraying the so-called Madonna del Belvedere (1413), by Ottaviano Nelli. It also has a work by Guido Palmeruccio. Also from the Cistercians is the Convent of St. Augustine, with some frescoes by Nelli. Basilica of Sant'Ubaldo, with a nave and four aisles is a sanctuary outside the city. Noteworthy are the marble altar and the great windows with episodes of the life of Ubald, patron of Gubbio. The finely sculpted portals and the fragmentary frescoes give a hint of the magnificent 15th-century decoration once boasted by the basilica. San Giovanni Battista, Gubbio: 13th-century church withone nave only with four transversal arches supporting the pitched roof,a model for later Gubbio churches. San Domenico, once known as San Martino Sant'Agostino Santa Croce della Foce Secular architecture or sites Roman Theater: This ancient open air theater built in the 1st century BC using square blocks of local limestone. Traces of mosaic decoration have been found. Originally, the diameter of the cavea was 70 metres, and could house up to 6,000 spectators. Roman Mausoleum: This Mausoleum is sometimes said to be of Gaius Pomponius Graecinus, but on no satisfactory grounds. Palazzo dei Consoli: Dating to the first half of the 14th century, this massive palace, is now a museum housing the Iguvine Tablets. Palazzo and Torre Gabrielli Palazzo Ducale: The Palace built from 1470 by Luciano Laurana or Francesco di Giorgio Martini for Federico da Montefeltro. Famous is the inner court, reminiscent of the Palazzo Ducale, Urbino. Museo Cante Gabrielli: This museum is housed in the Palazzo del Capitano del Popolo, which once belonged to the Gabrielli family. Vivian Gabriel Oriental Collection: This is a museum of Tibetan, Nepalese, Chinese and Indian art. The collection was donated to the municipality by Edmund Vivian Gabriel (1875–1950), British colonial officer