December 2017 gave conflicting deadlines. For the Zemun station, she said that it should be finished by the end of 2018, even though, as of January 2018, non of the works have started. Aerial Batajnica Airbase with a limited civil traffic is also located in the municipality, near the Batajnica settlement. In 1928, building company "Šumadija" proposed the construction of the cable car, which they called "air tram". The project was planned to connect Zemun to Kalemegdan on Belgrade Fortress, via Great War Island. The interval of the cabins was set at 2 minutes and the entire route was supposed to last 5 minutes. The project was never realized. Panoramic views Architecture, culture and education White Bear Tavern is a former kafana in the neighborhood of Ćukovac. First mentioned in 1658, it is the oldest surviving edifice on the urban territory of modern Belgrade, not counting the Belgrade Fortress. However, Zemun developed completely independently from Belgrade for centuries and for the most part during the history two towns belonged to two different states. Zemun became part of the same administrative unit as Belgrade on 4 October 1929, lost a separate town status to Belgrade in 1934 and made a continuous built-up area with Belgrade only since the 1950s. Hence, the House at 10 Cara Dušana Street in Belgrade's downtown neighborhood of Dorćol is usually named as the oldest house in Belgrade, while the White Bear Tavern is titled as the oldest house in Zemun. The first professional theatre in Zemun was established on 22 October 1969 in the Main Street (Maršala Tita at the time), as an offshoot of the National Theatre in Belgrade. Madlenianum Opera and Theatre was founded in 1997 as the first private opera in this part of Europe. The founder and the donor of Madlenianum is Madlena Zepter. Madlenianum has been organized as a model of a new musical-scenic theatre, without its permanent ensemble, but with a permanent organization and administration apparatus and a technical team. The faculty of agriculture of the Belgrade University is located in Zemun, as well as many other important higher schools (Internal affairs, Economics, Technics and machines, Medicine, Zemun gymnasium) and institutes (Institute for agriculture and forestry, Institute for mining, world-famous Institute for corn in Zemun Polje, Institute for livestock, Institute for the implementation of the nuclear energy in agriculture, Institute for physics). Zemun has a Homeland museum. Two of Belgrade's