Big Ben is
the nickname for the great bell of the clock at the north end of the Palace of
Westminster in London, and often extended to refer to the clock and the clock
tower, officially named Elizabeth Tower, as well. Elizabeth Tower holds the
largest four-faced chiming clock in the world and is the third-tallest
free-standing clock tower. It celebrated its 150th anniversary on 31 May 2009,
during which celebratory events took place. The tower was completed in 1858 and
has become one of the most prominent symbols of both London and England, often
in the establishing shot of films set in the city. Read More..