London's Big Ben to undergo years of restoration

London's famous bell, Big Ben, is to be silenced for four years to allow restoration work to take place. The 13-tonne bell has been the city's signature sound since 1859. And some are angry at the length of time it will take to fix. Al Jazeera's Neave Barker reports from Westminster. Published on August 16, 2017 by Al Jazeera English