on October 27, 1991. It was reopened in October 2009, after 18 years. Swabian Castle The Norman-Hohenstaufen Castle, widely known as the Castello Svevo (Swabian Castle), was built by Roger II of Sicily around 1131. Destroyed in 1156, it was rebuilt by Frederick II of Hohenstaufen. The castle now serves as a gallery for a variety of temporary exhibitions in the city. Pinacoteca Provinciale di Bari The Pinacoteca Provinciale di Bari (Provincial Picture Gallery of Bari) is the most important art gallery in Apulia. It was first established in 1928 and contains many paintings from the 15th century up to the days of contemporary art. The Russian Church The Russian Church of Saint Nicholas, in the Carrassi district of Bari, was built in the early 20th century to welcome Russian pilgrims who came to the city to visit the church of Saint Nicholas in the old city where the relics of the saint remain. The city council and Italian national government were recently involved in a trade-off with the Putin government in Moscow, exchanging the piece of land on which the church stands, for, albeit indirectly, a military barracks near Bari's central railway station. Barivecchia Barivecchia, or Old Bari, is a sprawl of streets and passageways making up the section of the city to the north of the modern Murat area. Barivecchia was until fairly recently considered a no-go area by many of Bari's residents due to the high levels of petty crime. A large-scale redevelopment plan began with a new sewerage system, followed by the development of the two main squares, Piazza Mercantile and Piazza Ferrarese. Demographics , there were 316,491 people residing in Bari (about 1.6 million lived in the greater Bari area in 2015), located in the province of Bari, Puglia, of whom 47.9% were male and 52.1% were female. , minors (children ages 18 and younger) totaled 17.90 percent of the population compared to pensioners who number 19.08 percent. This compares with the Italian average of 18.06 percent (minors) and 19.94 percent (pensioners). The average age of Bari residents is 42 compared to the Italian average of 42. In the five years between 2002 and 2007, the population of Bari grew by 2.69 percent, while Italy as a whole grew by 3.56 percent. The current birth rate of Bari is 8.67 births per 1,000 inhabitants compared to the Italian average of 9.45 births. , 3.8% of