In this April 29, 2021, file photo released by China's Xinhua News Agency, a Long March 5B rocket carrying a module for a Chinese space station lifts off from the Wenchang Spacecraft Launch Site in Wenchang in southern China's Hainan Province. The central rocket segment that launched the 22.5-ton core of China's newest space station into orbit is due to plunge back to Earth as early as Saturday in an unknown location. (Ju Zhenhua/Xinhua via AP, File)
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