Complex sentence: Hornsby Aquatic Centre, which was built in 1962, had reached the end of its safe working life, and was closed on Friday 24 December 2010.It was rebuilt and opened on the 11th August 2014.
Split into simpler sentences: Hornsby Aquatic Centre, which was built in 1962, had reached the end of its safe working life, and was closed on Friday 24 December 2010. Hornsby Shire Council It was rebuilt and opened on the 11th August 2014.