LONDON, ENGLAND - MAY 18:  Prince Philip, Duke of Edinburgh & Queen Elizabeth II travel in the rain towards the Houses of Parliament in the Jubilee State Carriage before she addresses the State Opening of Parliament in the House of Lords at the Palace of Westminster on May 18, 2016 in London, England. The State Opening of Parliament is the formal start of the parliamentary year. This year's Queen's Speech, setting out the government's agenda for the coming session, is expected to outline policy on prison reform, tuition fee rises and reveal the potential site of a UK spaceport. (Photo by Daniel Leal-Olivas - WPA Pool/Getty Images)