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Passengers walk passing a LED screen playing promotion videos for the first China International Import Expo (CIIE) at Pudong International Airport in Shanghai, east China, Oct. 25, 2018. (Xinhua/Chen Fei)
Passengers walk passing a LED screen playing promotion videos for the first China International Import Expo (CIIE) at Pudong International Airport in Shanghai, east China, Oct. 25, 2018. (Xinhua/Chen Fei)