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People visit the booth of telecom operator Orange at the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 28, 2019. The four-day MWC closed on Thursday. (Xinhua/Guo Qiuda)
2019 Mobile World Congress closes in Barcelona, Spain
Source: Xinhua| 2019-02-28 22:26:54|Editor: Shi Yinglun
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