LONDON, ENGLAND - JUNE 13:  A welcome message displayed on an announcement screen ahead of the arrival of Queen Elizabeth II and Prince Philip, Duke of Edinburgh at Paddington Station as they mark the 175th anniversary of the first train journey by a British Monarch on June 13, 2017 in London, United Kingdom.  The first journey was made on the same route from Slough to Paddington by Queen Victoria on June 13th, 1842.  (Photo by Chris Jackson/Getty Images)