The Beautiful City LondonLondon is one of the most exciting and cosmopolitan cities in the world. Visitors and residents alike appreciate its rich heritage, its fine architecture and amazing diversity of cultures. London's most famous sights range from the historic Tower of London and the Changing of the Guard at Buckingham Palace to the everyday, like its black cabs and red double decker buses. The City of London, defined by the boundaries of the old city wall, is now