People celebrate the arrival of the return capsule of China's Chang'e-5 probe at China Academy of Space Technology in Beijing, capital of China, Dec. 17, 2020. The capsule was airlifted to Beijing on Thursday night, and the moon samples will be delivered to the research team for analysis and study. (Xinhua/Jin Liwang)

People celebrate the arrival of the return capsule of China's Chang'e-5 probe at China Academy of Space Technology in Beijing, capital of China, Dec. 17, 2020. The capsule was airlifted to Beijing on Thursday night, and the moon samples will be delivered to the research team for analysis and study. (Xinhua/Jin Liwang)

People celebrate the arrival of the return capsule of China's Chang'e-5 probe at China Academy of Space Technology in Beijing, capital of China, Dec. 17, 2020. The capsule was airlifted to Beijing on Thursday night, and the moon samples will be delivered to the research team for analysis and study. (Xinhua/Jin Liwang)

People celebrate the arrival of the return capsule of China's Chang'e-5 probe at China Academy of Space Technology in Beijing, capital of China, Dec. 17, 2020. The capsule was airlifted to Beijing on Thursday night, and the moon samples will be delivered to the research team for analysis and study. (Xinhua/Jin Liwang)