Complex sentence: In 1950, a new city hall was built in Roslags-Näsby, which, in modern times, is a more central part of Täby; the administration of the town was moved to the new city hall at this time.
Split into simpler sentences: In 1950, a new city hall was built in Roslags-Näsby, which, in modern times, is a more central part of Täby. The administration of the town was moved to the new city hall at this time.