Big Ben is the tallest and most prominent clock tower in the world, making it the most famous monument in the city of London.

Its official name was Clock Tower, until June 26, 2012, in honor of the diamond jubilee of Queen Elizabeth II, it was decided that the tower would be renamed Elizabeth Tower. Construction of Big Ben was completed in 1858 and the clock began operating on September 7, 1859.

Since then, the famous clock has continued to give the time with such precision for more than 150 years.
Today, it is an icon that can be seen in movies, TV series, shows and documentaries set in London.