London's Big Ben undergoing renovation(1/2)

Workers replace glass panes on the clock face of Queen Elizabeth tower, commonly known as Big Ben on the Houses of Parliament, in central London, Britain July 11, 2018. (Photo/Agencies)

Workers replace glass panes on the clock face of Queen Elizabeth tower, commonly known as Big Ben on the Houses of Parliament, in central London, Britain July 11, 2018. (Photo/Agencies)