Behind the scenes in London’s well-known clock

London’s Big Ben might be the world’s most well-known clock and central to the UK’s New Year celebrations. But, in a digital world what does it take to maintain the analogue 165-year mechanical clock on time? CNN’s Isa Soares climbs the slim stairs and goes behind the scenes of the enduring landmark to see what it takes to ensure London’s New Year occurs when it ought to. #BigBen #London #clock #NYE #JoyfulNewYear #NewYearCountdown #NewYearsEve