The iconic clock tower in London is known as Big Ben, although this name technically refers to the Great Bell inside the tower. The tower itself is officially called the Elizabeth Tower, renamed in 2012 in honor of Queen Elizabeth II's Diamond Jubilee. Big Ben has become a symbol of London and the United Kingdom, renowned for its impressive Gothic architecture and its reliability in keeping time. The clock tower was completed in 1859 and has become a popular tourist attraction. It is known for its distinctive chimes, which resonate throughout the city and have been celebrated in literature and media.