Make a complete view of the outer ring road to admire the three great gateways to the city still exist. Among these stands out for its grandeur and elegant mole, Port St. Thomas, by William Bergamo Griz D'Alzano.
The port was built in 1518 when the Venetian Republic was building a new and wider belt walls, still preserved. Indeed, in 1511, the city had experienced and overcome the threats and the siege of hosts of the League of Cambrai already impadronitisi of all the territories of Venetian mainland, excluding the city of Treviso.
The construction of new walls on intuition of Verona Fra 'Giovanni Giocondo, also exploited the rivers to rise, with appropriate hydraulic works, flooding the immediate vicinity. The walls (interrupted by two steps Tomorrow, in and out of the city) grows to about five kilometers and was completed in later periods based on a draft of Captain Bartholomew D'Alviano.
Port St. Thomas was built under the podestaria Paul Naniil which wounded nell'ambizione to link his name to the monumental manufactured by the veto of the Senate of the Venetian Republic, with the fallback title to St. Thomas Becket (Archbishop of Canterbury), which was dedicated a church in nearby Borgo Cavalli; did not know, however, refrain from placing in the top of the building the statue, still visible, his holy name-day, precisely the apostle St. Paul.
The outside facade is completely covered in stones of Istria and characterized by six columns sources on a powerful base Bugno, culminating with Corinthian capitals that govern the lintel of the roof. The latter, originally shaped cabin crushed, covered with sheets of copper, is preserved only in the middle. Among the columns projecting the facade are included elegant compositions of armor and badges.
Above the arch of Porta, in the middle, stands the Lion of San Marco, the sides of which there are loopholes for the race of the chains to raise the drawbridge. Over the law is written in language Venetian "Port de Saint Thomas", ready for the reading of those who arrived in the city from the countryside, while on the domestic front is similar inscription in Latin, in homage to classical culture aristocrats.
Inside there are three naves with cross vaults divided by tall stone pillars regents three arches on each side. On the west side a high relief depicting the Madonna and Child Enthroned between Blessed Henry and San Liberale, patrons of the city.