Big Ben is the nickname for the great bell of the clock at the north end of the Palace of Westminster in London, and is generally extended to refer to the clock or the clock tower (formally known as Clock Tower of Westminster Palace, may be renamed Elizabeth Tower in honour of the Diamond Jubilee of Elizabeth II) as well.

Big Ben.
Big Ben. ( Num ref.: 6253m )
Big Ben.
Big Ben. ( Num ref.: 6254m )
Big Ben.
Big Ben. ( Num ref.: 6265m )
Big Ben.
Big Ben. ( Num ref.: 6257m )
Big Ben.
Big Ben. ( Num ref.: 6791m )
Big Ben.
Big Ben. ( Num ref.: 6793m )