LONDON, ENGLAND - OCTOBER 20: Queen Elizabeth II and Prince Philip, Duke of Edinburgh with Prime Minister David Cameron and Home Secretary Theresa May attend the Official Ceremonial Welcome for the Chinese State Visit on October 20, 2015 in London, England. The President of the Peoples Republic of China, Mr Xi Jinping and his wife, Madame Peng Liyuan, are paying a State Visit to the United Kingdom as guests of The Queen. (Photo by Mark Cuthbert/UK Press via Getty Images)
