Trondheim end of the war, around 80 Jews returned to the city. Out of the 135 individuals sent to Auschwitz, only five remained in Norway. It is unclear how many others, if any, survived. The synagogue was repaired in 1947. In May 1997, a Jewish museum was opened in Trondheim. At the turn of the 21st century, 120 Jews were living in Trondheim. Trondheim is situated where the River Nidelva meets Trondheim Fjord with an excellent harbour and sheltered condition. The river used to be deep enough for most boats in the Middle Ages. An avalanche of mud and stones made
Metropolitan City of Naples capital city. Due to the presence of Vesuvius and Phlegraean Fields, the city is vulnerable to seismic and volcanic activity. The city is 96th out of 110 Italian provinces and metropolitan cities by landmass, with an area (1,171 km² including islands) that is smaller than the core "comune" of Rome (1,287 km²). Naples is nevertheless Italy's 3rd largest city by population, making it one of the most densely populated areas in Europe; the metropolitan region also includes the municipality of Casavatore, the highest-density municipality in Italy (at 12,000 inhabitants/km²). While it contains more than half of Campania's population, it only