Photo taken on June 7, 2017 shows the Chinese Pavilion on the World Expo in Astana, Kazakhstan. The Chinese pavilion, with the theme "Future energy, green Silk Road," covers around 1,000 square meters and is among the largest at the expo. The Chinese pavilion will display the country's achievements in developing and using energy through multimedia, virtual reality technology and other means. (Xinhua/Wu Zhuang)