Chinese President Xi Jinping signs the Distinguished Visitors Book at the Guildhall in central London before attending a banquet on October 21, 2015. British Prime Minister David Cameron today announced almost £40 billion (54.6 billion euros, $61.9 billion) in deals with China during a visit to Britain by President Xi Jinping. AFP PHOTO / JACK TAYLOR (Photo credit should read JACK TAYLOR/AFP/Getty Images)
