When Big Ben was commissioned in the 1800's, the British Parliament demanded the clock should be the biggest and most powerful in the world, as well as incredibly accurate. How did early builders construct this iconic wonder? Watch more Blowing Up History on discovery : https://bit.ly/3qAUoQ1 | Love History

As London's iconic tourist attraction falls silent for repairs, #CNNVR takes you inside for a look inside: a 14-ton bell, a 23-foot clock, and lots of gears. http://cnn.it/1UmHH5u | CNN

Big Ben strikes the hour. Did you know Big Ben is the name of the bell and it's located at the top of the Elizabeth Tower? Find out more interesting facts www.parliament.uk/BigBen #BigBen | UK Parliament