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
Trondheim to replace the ferry have been planned, but none have begun construction. Trondheim also boasts the northernmost (since closure of Arkhangelsk tram in 2004) tramway line in the world: the Gråkallen Line, the last remaining segment of the Trondheim Tramway, is an route (which is mostly single-track outside the innermost parts of the city; except the stretch between Breidablikk and Nordre Hoem stations) which runs from the city centre, through the Byåsen district, and up to Lian, in the large recreation area Bymarka. Trondheim boasts the world's only bicycle lift, "Trampe". The bus network, operated by AtB, runs throughout most