Complex sentence: Demolition of the Tricorn began on 24 March 2004 and lasted approximately nine months, as of 2014 the site of which the Tricorn was on is now a level story car park for the town centre.
Split into simpler sentences: Demolition of the Tricorn began on 24 March 2004 and lasted approximately nine months. As of 2014, the site is a level story car park for the town centre.