Visitors try VR headsets at "A Chinese Wisdom and Practice" section in China Pavilion of the 2017 World Expo in Astana, Kazakhstan, on June 10, 2017. The China Pavilion of the 2017 World Expo opened on Saturday in the Kazakh capital of Astana, which highlights China's achievements in developing, utilizing and protecting new energy. (Xinhua/Wu Zhuang)
