President Xi Jinping (2nd R) invites his Kazakh counterpart Nursultan Nazarbayev to experience simulated driving in a high-speed rail at the Chinese national pavilion of the Expo 2017 in Astana, Kazakhstan, June 8, 2017. Xi, accompanied by Nazarbayev, on Thursday visited the Chinese national pavilion of the Expo 2017 in Astana, and urged bilateral efforts to facilitate the China-Kazakhstan cross-border transportation. [Photo/Xinhua]