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A man takes pictures with a space suit at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 28, 2019. The four-day MWC closed on Thursday. (Xinhua/Guo Qiuda)
A man takes pictures with a space suit at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 28, 2019. The four-day MWC closed on Thursday. (Xinhua/Guo Qiuda)