What is the nickname of the great bell of the clock at the north end of the Palace of Westminster in London?
Westminster Clock Tower Big Ben/version 2 The Tower of Big Ben Great Clock of Westminster Palace of Westminster Clock Tower, Great Clock of Westminster Palace of Westminster Clock Tower Westminster Clock Big Ben (bell) Big ben Clock Tower, Palace of Westminster Great Bell of Westminster Big Ben Clock Tower (Westminster) Elizabeth Tower Elizabeth Tower, Palace of Westminster Big Ben, London The Elizabeth Tower Big-ben