<Tr> <Td_colspan="2"> Pantheon </Td> </Tr> <P> The Pantheon (UK: / ˈpænθiən /, US: / - ɒn /; Latin: Pantheum, from Greek Πάνθειον Pantheion, "(temple) of all the gods") is a former Roman temple, now a church, in Rome, Italy, on the site of an earlier temple commissioned by Marcus Agrippa during the reign of Augustus (27 BC--14 AD). It was completed by the emperor Hadrian and probably dedicated about 126 AD . Its date of construction is uncertain, because Hadrian chose not to inscribe the new temple but rather to retain the inscription of Agrippa's older temple, which had burned down . </P> <P> The building is circular with a portico of large granite Corinthian columns (eight in the first rank and two groups of four behind) under a pediment . A rectangular vestibule links the porch to the rotunda, which is under a coffered concrete dome, with a central opening (oculus) to the sky . Almost two thousand years after it was built, the Pantheon's dome is still the world's largest unreinforced concrete dome . The height to the oculus and the diameter of the interior circle are the same, 142 feet (43 m). </P> <P> It is one of the best - preserved of all Ancient Roman buildings, in large part because it has been in continuous use throughout its history, and since the 7th century, the Pantheon has been used as a church dedicated to "St. Mary and the Martyrs" (Latin: Sancta Maria ad Martyres) but informally known as "Santa Maria Rotonda". The square in front of the Pantheon is called Piazza della Rotonda . The Pantheon is a state property, managed by Italy's Ministry of Cultural Heritage and Activities and Tourism through the Polo Museale del Lazio; in 2013 it was visited by over 6 million people . </P>

What does it say on the front of the pantheon