Feature: Sustainable techs in Expo 2020 Dubai offer inspiring hope for world (4)

(Xinhua) 08:31, January 12, 2022

A tourist poses for photos in front of the Singapore Pavilion of the Expo 2020 Dubai in Dubai, the United Arab Emirates, on Jan. 11, 2022. (Xinhua/Wang Dongzhen)


(Web editor: Peng Yukai, Liang Jun)


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