China emphasizes peaceful space exploration

Yang Liwei (2nd L, second row ), China's first astronaut and deputy director of China's manned space program office, and American former astronaut Buzz Aldrin (3rd L, second row) attend the opening ceremony of the 2017 Global Space Exploration Conference in Beijing, capital of China, June 6, 2017. The conference opened Tuesday in Beijing. (Xinhua/Zhang Ling)