text: Because of the latter bridge, Tomić planned to demolish the building of the Belgrade Main railway station and relocate the facility in the neighborhood of Prokop, thus clearing further  of space for the commercial facilities.Construction of the new railway station in Prokop indeed began, but in 1977 and as of 2018 is still not finished, though in 2017 it took over the domestic transportation. In general (excluding Bežanija), on the territory of modern New Belgrade, urbanization between two world wars began on three locations: along the Sava bank, stretching from Sajmište to Ušće; workers settlement around Old Airport; informal settlement at Tošin Bunar, where modern Studentski Grad is today. Majority of the construction was informal. World War II
  In 1941, German forces occupied much of Yugoslavia. The Nazi secret police, the Gestapo, took over the fairgrounds (Sajmište). They encircled it with several rings of barbed wire, turning it into a "collection centre". It eventually became an extermination camp, the Sajmište concentration camp. Until May 1942 it was mostly used to kill off Jews from Belgrade and other parts of Serbia, and from April 1942 onwards, it also held political prisoners. 