 During the socialist period, especially following the Second World War, most of the old ger districts were replaced by Soviet-style blocks of flats, often financed by the Soviet Union.Urban planning began in the 1950s, and most of the city today is the result of construction between 1960 and 1985.The Transmongolian Railway, connecting Ulaanbaatar with Moscow and Beijing, was completed in 1956 and cinemas, theaters, museums etc.