LONDON, ENGLAND - OCTOBER 20 Prime (L-R) Minister David Cameron, Theresa May, Queen Elizabeth II, Chinese President Xi Jinping, Peng Liyuan and Prince Philip, Duke of Edinburgh look on during 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. They will stay at Buckingham Palace and undertake engagements in London and Manchester. The last state visit paid by a Chinese President to the UK was Hu Jintao in 2005. (Photo by Chris Jackson - WPA Pool /Getty Images)
