Britain's Queen Elizabeth II (R) accompanies Chinese First Lady Peng Liyuan as they arrive for a state banquet at Buckingham Palace in London, on October 20, 2015. Chinese President Xi Jinping arrived for a four-day state visit as the government of Prime Minister David Cameron seeks stronger trade ties with the world's second-largest economy. AFP PHOTO / POOL / TOBY MELVILLE (Photo credit should read TOBY MELVILLE/AFP/Getty Images)
