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On July 31, China's Shenzhou-15 crew members met the press in Beijing, their first appearance since successfully returning to Earth from the China Space Station in early June. They shared their most unforgettable experience in space during their 188-day mission in which they conducted four extravehicular activities, six cargo operations outside the station, installed and debugged 15 experimental cabinets, and did more than 40 large-scale space science and space medicine experiments, as well as meetings with different crews.