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A rocket enthusiast launches his self-made rocket models in commemoration of the 60th anniversary of the first human space flight in St. Petersburg, Russia, April 11, 2021. (Photo by Irina Motina/Xinhua)
60th anniversary of first human space flight marked in St. Petersburg, Russia
Source: Xinhua| 2021-04-12 16:49:49|Editor: huaxia
