A visitor views cross-polarized micrographs of lunar soil particles at an exhibition themed on lunar soil research achievements in University of Science and Technology of China, in Hefei, east China's Anhui Province, April 19, 2023. The exhibition starting Monday displays exhibits made by scientists, artists and engineers based on micrographs of lunar soil particles brought back by the Chang'e-5 probe. In 2020, China's Chang'e-5 mission retrieved samples from the moon weighing about 1,731 grams. (Xinhua/Huang Bohan)
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