A ceremony is held to honor a number of scientists and scientific groups ahead of the nation's first science and technology workers' day in Beijing, capital of China, May 27, 2017. (Xinhua/Rao Aimin)
A ceremony is held to honor a number of scientists and scientific groups ahead of the nation's first science and technology workers' day in Beijing, capital of China, May 27, 2017. (Xinhua/Rao Aimin)