MANCHESTER, ENGLAND - OCTOBER 23:  President of the People's Republic of China Xi Jinping and British Prime Minister David Cameron accompanied by the Chief Executive of The Manchester Airport Group, Charlie Cornish (L) tour an exhibition of future developments at Manchester airport on October 23, 2015 in Manchester, England. The President of the People's 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 Oli Scarff - WPA Pool/Getty Images)