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People are seen at the venue of the 2019 Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. The four-day 2019 MWC opened on Monday in Barcelona. (Xinhua/Guo Qiuda)
MWC 2019 brings business boom to Barcelona
Source: Xinhua| 2019-02-25 21:03:08|Editor: xuxin
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