Trondheim league, and is a regular in the EHF Women's Champions League, playing their home games at Trondheim Spektrum. With students comprising almost a fifth of the population, the city of Trondheim is heavily influenced by student culture. Most noticeable is Studentersamfundet i Trondhjem, the city's student society. Its characteristic round, red building from 1929 sits at the head of the bridge crossing the river southwards from the city centre. As the largest university in Norway, the Norwegian University of Science and Technology (NTNU) is the host of some 36,000 students. Student culture in Trondheim is characterised by a long-standing tradition
Third-country economic relationships with the European Union is considered part of the EU single market. Iceland has also signed the Schengen treaty. On 16 July 2009, Iceland applied to join the European Union. Liechtenstein joined the EEA in 1995 and participates in the EU single market. Switzerland referendum to join the EEA in 1992 failed, so Swiss products do not participate in the European single market. However the country recently negotiated two series of bilateral agreements with the Union. The first series, Bilateral Agreements I, consists of seven bilateral agreements and was signed in 1999 (entry into force in 2001), the main part being Free Movement of