Chinese President Xi Jinping (R) and British Prince Andrew, the Duke of York, unveil the 1,000th Confucius Classroom, the Confucius Classroom at Hautlieu School, in London, Britain, Oct. 22, 2015. Xi attended the opening ceremony of an annual conference of UK Confucius Institutes and Confucius Classrooms in London on Thursday. (Xinhua/Pang Xinglei)