Big Ben.

Big Ben is the name that is known to the Clock Tower of the Parliament, located in London, the largest of the bells are part of the Great Clock of Westminster. The tower is located on the northwest corner of the building that houses the headquarters of the two Houses of the British Parliament.

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The clock tower was the world's largest tiempo.La in his hand which marks the hours measured 2.7 meters long, while the minute mark that measured 4.3 meters, the bell weighs 13.8 tons. On September 7 1859 the clock went into operation.
Juan Daniel Gamboa Chavez