Behind the clock faces of Big Ben

Did you know you can walk behind the clock faces of Big Ben? about the clock dials Number of clock dials: 4 Clock dials diameter: 7m Length of hour figures: 60cm Clock dial frames: cast iron Glass in each clock dial: 312 pieces of pot opal glass Illumination of each dial: 28 energy efficient bulbs at 85 watt each Lifetime of each energy efficient bulb: 60,000 hours Find out more about Big Ben: