Chinese President Xi Jinping (L front) is welcomed by Kazakhstan First Deputy Prime Minister Askar Mamin upon his arrival in Astana, Kazakhstan, June 7, 2017. Chinese President Xi Jinping arrived here Wednesday for a state visit to Kazakhstan and the 17th meeting of the Council of Heads of State of the Shanghai Cooperation Organization (SCO). During his stay in the Central Asian country, Xi will also attend the opening ceremony of the Expo 2017 in Astana. (Xinhua/Pang Xinglei)