自由钟, or the Liberty Bell, is an iconic symbol of American independence located in Philadelphia, Pennsylvania. It was originally cast in 1752 and is famous for its distinctive crack, which appeared shortly after its arrival. The bell was used to summon lawmakers and announce important events. The Liberty Bell is inscribed with the words "Proclaim LIBERTY Throughout all the Land unto all the Inhabitants thereof" from the Bible. It has become a symbol of freedom and justice, representing the American struggle for independence and civil rights throughout history.