Zhang Kejian (R), head of the China National Space Administration (CNSA), and Hou Jianguo, president of the Chinese Academy of Sciences (CAS), display handover certificate after Zhang handed over the container of lunar samples to Hou, during the Chang'e-5 Lunar Samples Handover Ceremony at CNSA in Beijing, capital of China, Dec. 19, 2020. Moon samples collected by China's Chang'e-5 probe have been transferred to the Chinese research teams Saturday morning. Scientists will carry out the storage, analysis and research of the country's first samples collected from the extraterrestrial object. (Xinhua/Jin Liwang)
