Spanish Queen Letizia (L) is greeted by Britain's Camilla, Duchess of Cornwall at a hotel  before a ceremonial welcome at Horse Guards Parade by Britain's Queen Elizabeth II (L) and Prince Philip, Duke of Edinburgh at the start of the Spanish King and Queen's three-day state visit, in central London on July 12, 2017.
Spanish King Felipe VI and Queen Letizia begin a state visit to Britain on Wednesday, as the two countries attempt to strengthen ties despite tensions over Britain's plans to leave the European Union. / AFP PHOTO / POOL / HANNAH MCKAY        (Photo credit should read HANNAH MCKAY/AFP/Getty Images)