Big Ben will ring in the new year for the first time in four years as work to restore the Palace of Westminster's Elizabeth Tower nears its end. The clock's mechanic Ian Westworth talks about the painstaking effort it took to restore the tower and reveals how its quirky name came about. Report by Czubalam. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn