Technical personnel shake hands to celebrate the landing of the return capsule of China's Chang'e-5 probe at Beijing Aerospace Control Center in Beijing, capital of China, Dec. 17, 2020. The return capsule of China's Chang'e-5 probe touched down on Earth in the early hours of Thursday, bringing back the country's first samples collected from the moon, as well as the world's freshest lunar samples in over 40 years. (Xinhua/Jin Liwang)
